16612321052 has 48 divisors (see below), whose sum is σ = 31330494720. Its totient is φ = 7678540800.

The previous prime is 16612321049. The next prime is 16612321079. The reversal of 16612321052 is 25012321661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3436277 + ... + 3441107.

It is an arithmetic number, because the mean of its divisors is an integer number (652718640).

Almost surely, 2^16612321052 is an apocalyptic number.

It is an amenable number.

16612321052 is a deficient number, since it is larger than the sum of its proper divisors (14718173668).

16612321052 is a wasteful number, since it uses less digits than its factorization.

16612321052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742 (or 5740 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 16612321052 in words is "sixteen billion, six hundred twelve million, three hundred twenty-one thousand, fifty-two".