16654685136 has 40 divisors (see below), whose sum is σ = 43029433440. Its totient is φ = 5550938496.

The previous prime is 16654685111. The next prime is 16654685147. The reversal of 16654685136 is 63158645661.

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, 649291 + ... + 674453.

It is an arithmetic number, because the mean of its divisors is an integer number (1075735836).

Almost surely, 2^16654685136 is an apocalyptic number.

16654685136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16654685136 is an abundant number, since it is smaller than the sum of its proper divisors (26374748304).

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

16654685136 is a wasteful number, since it uses less digits than its factorization.

16654685136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38963 (or 38957 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 51.

The spelling of 16654685136 in words is "sixteen billion, six hundred fifty-four million, six hundred eighty-five thousand, one hundred thirty-six".