16451234064 has 30 divisors (see below), whose sum is σ = 46040606846. Its totient is φ = 5483744640.

The previous prime is 16451234053. The next prime is 16451234087. The reversal of 16451234064 is 46043215461.

16451234064 is a `hidden beast` number, since 1 + 645 + 1 + 2 + 3 + 4 + 0 + 6 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12344987664 + 4106246400 = 111108^2 + 64080^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57122197 + ... + 57122484.

Almost surely, 2^16451234064 is an apocalyptic number.

It is an amenable number.

16451234064 is an abundant number, since it is smaller than the sum of its proper divisors (29589372782).

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

16451234064 is a wasteful number, since it uses less digits than its factorization.

16451234064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114244695 (or 114244686 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 16451234064 in words is "sixteen billion, four hundred fifty-one million, two hundred thirty-four thousand, sixty-four".