16011982952488 has 32 divisors (see below), whose sum is σ = 30604248756360. Its totient is φ = 7851001250560.

The previous prime is 16011982952477. The next prime is 16011982952501. The reversal of 16011982952488 is 88425928911061.

It can be written as a sum of positive squares in 4 ways, for example, as 10147652349444 + 5864330603044 = 3185538^2 + 2421638^2 .

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, 8608483 + ... + 10301938.

Almost surely, 2^{16011982952488} is an apocalyptic number.

It is an amenable number.

16011982952488 is a deficient number, since it is larger than the sum of its proper divisors (14592265803872).

16011982952488 is a wasteful number, since it uses less digits than its factorization.

16011982952488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18912477 (or 18912473 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 64.

The spelling of 16011982952488 in words is "sixteen trillion, eleven billion, nine hundred eighty-two million, nine hundred fifty-two thousand, four hundred eighty-eight".