16274218801 has 4 divisors (see below), whose sum is σ = 16274479204. Its totient is φ = 16273958400.

The previous prime is 16274218781. The next prime is 16274218843. The reversal of 16274218801 is 10881247261.

16274218801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2580538401 + 13693680400 = 50799^2 + 117020^2 .

It is a 3-Lehmer number, since φ(16274218801) divides (16274218801-1)³.

It is a cyclic number.

It is not a de Polignac number, because 16274218801 - 2¹³ = 16274210609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16274216801) 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 3 ways as a sum of consecutive naturals, for example, 26041 + ... + 182281.

It is an arithmetic number, because the mean of its divisors is an integer number (4068619801).

It is a Poulet number, since it divides 2^16274218800-1.

Almost surely, 2^16274218801 is an apocalyptic number.

16274218801 is the 104161-st pentagonal number.

It is an amenable number.

16274218801 is a deficient number, since it is larger than the sum of its proper divisors (260403).

16274218801 is a wasteful number, since it uses less digits than its factorization.

16274218801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260402.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 16274218801 in words is "sixteen billion, two hundred seventy-four million, two hundred eighteen thousand, eight hundred one".