16466013 has 12 divisors (see below), whose sum is σ = 25183548. Its totient is φ = 10331520.

The previous prime is 16465973. The next prime is 16466029. The reversal of 16466013 is 31066461.

16466013 is a `hidden beast` number, since 1 + 646 + 6 + 0 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12131289 + 4334724 = 3483^2 + 2082^2 .

It is not a de Polignac number, because 16466013 - 2⁶ = 16465949 is a prime.

It is a super-2 number, since 2×16466013² = 542259168232338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16466063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53658 + ... + 53963.

It is an arithmetic number, because the mean of its divisors is an integer number (2098629).

Almost surely, 2^16466013 is an apocalyptic number.

It is an amenable number.

16466013 is a deficient number, since it is larger than the sum of its proper divisors (8717535).

16466013 is a wasteful number, since it uses less digits than its factorization.

16466013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107644 (or 107641 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 16466013 is about 4057.8335352747. The cubic root of 16466013 is about 254.4072506685.

The spelling of 16466013 in words is "sixteen million, four hundred sixty-six thousand, thirteen".