16516630356 has 24 divisors (see below), whose sum is σ = 38637886560. Its totient is φ = 5491388832.

The previous prime is 16516630309. The next prime is 16516630373. The reversal of 16516630356 is 65303661561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1764466 + ... + 1773801.

It is an arithmetic number, because the mean of its divisors is an integer number (1609911940).

Almost surely, 2^16516630356 is an apocalyptic number.

It is an amenable number.

16516630356 is an abundant number, since it is smaller than the sum of its proper divisors (22121256204).

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

16516630356 is a wasteful number, since it uses less digits than its factorization.

16516630356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3538663 (or 3538661 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 16516630356 in words is "sixteen billion, five hundred sixteen million, six hundred thirty thousand, three hundred fifty-six".