16612253864 has 16 divisors (see below), whose sum is σ = 31162748820. Its totient is φ = 8302187520.

The previous prime is 16612253857. The next prime is 16612253881. The reversal of 16612253864 is 46835221661.

16612253864 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 9634992964 + 6977260900 = 98158^2 + 83530^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 474467 + ... + 508274.

Almost surely, 2^16612253864 is an apocalyptic number.

It is an amenable number.

16612253864 is a deficient number, since it is larger than the sum of its proper divisors (14550494956).

16612253864 is a wasteful number, since it uses less digits than its factorization.

16612253864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984860 (or 984856 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The spelling of 16612253864 in words is "sixteen billion, six hundred twelve million, two hundred fifty-three thousand, eight hundred sixty-four".