16566134632 has 16 divisors (see below), whose sum is σ = 31063104000. Its totient is φ = 8282640240.

The previous prime is 16566134531. The next prime is 16566134659. The reversal of 16566134632 is 23643166561.

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, 163119 + ... + 244417.

It is an arithmetic number, because the mean of its divisors is an integer number (1941444000).

Almost surely, 2^16566134632 is an apocalyptic number.

It is an amenable number.

16566134632 is a deficient number, since it is larger than the sum of its proper divisors (14496969368).

16566134632 is a wasteful number, since it uses less digits than its factorization.

16566134632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106776 (or 106772 counting only the distinct ones).

The product of its digits is 466560, while the sum is 43.

The spelling of 16566134632 in words is "sixteen billion, five hundred sixty-six million, one hundred thirty-four thousand, six hundred thirty-two".