16650165156 has 12 divisors (see below), whose sum is σ = 38850385392. Its totient is φ = 5550055048.

The previous prime is 16650165113. The next prime is 16650165173. The reversal of 16650165156 is 65156105661.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693756870 + ... + 693756893.

It is an arithmetic number, because the mean of its divisors is an integer number (3237532116).

Almost surely, 2^16650165156 is an apocalyptic number.

It is an amenable number.

16650165156 is an abundant number, since it is smaller than the sum of its proper divisors (22200220236).

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

16650165156 is a wasteful number, since it uses less digits than its factorization.

16650165156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387513770 (or 1387513768 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 16650165156 in words is "sixteen billion, six hundred fifty million, one hundred sixty-five thousand, one hundred fifty-six".