16651600002 has 32 divisors (see below), whose sum is σ = 37009551360. Its totient is φ = 5549634000.

The previous prime is 16651599971. The next prime is 16651600051. The reversal of 16651600002 is 20000615661.

It is a happy number.

16651600002 is a `hidden beast` number, since 1 + 6 + 6 + 51 + 600 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368127 + ... + 410877.

It is an arithmetic number, because the mean of its divisors is an integer number (1156548480).

Almost surely, 2^16651600002 is an apocalyptic number.

16651600002 is an abundant number, since it is smaller than the sum of its proper divisors (20357951358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16651600002 is a wasteful number, since it uses less digits than its factorization.

16651600002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49975 (or 49969 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 16651600002 in words is "sixteen billion, six hundred fifty-one million, six hundred thousand, two".