16212674241 has 9 divisors (see below), whose sum is σ = 23418859009. Its totient is φ = 10808194836.

The previous prime is 16212674213. The next prime is 16212674243. The reversal of 16212674241 is 14247621261.

The square root of 16212674241 is 127329.

It is a perfect power (a square), and thus also a powerful number.

16212674241 is a `hidden beast` number, since 1 + 621 + 2 + 6 + 7 + 4 + 24 + 1 = 666.

16212674241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 16212674241 - 2⁷ = 16212674113 is a prime.

It is a super-3 number, since 3×16212674241³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16212674196 and 16212674205.

It is not an unprimeable number, because it can be changed into a prime (16212674243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 360766 + ... + 403208.

Almost surely, 2^16212674241 is an apocalyptic number.

16212674241 is the 127329-th square number.

16212674241 is the 63665-th centered octagonal number.

It is an amenable number.

16212674241 is a deficient number, since it is larger than the sum of its proper divisors (7206184768).

16212674241 is an frugal number, since it uses more digits than its factorization.

16212674241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84892 (or 42446 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

Multiplying 16212674241 by its sum of digits (36), we get a square (583656272676 = 763974²).

The spelling of 16212674241 in words is "sixteen billion, two hundred twelve million, six hundred seventy-four thousand, two hundred forty-one".