16986725064 has 48 divisors (see below), whose sum is σ = 46155629520. Its totient is φ = 5643790560.

The previous prime is 16986725051. The next prime is 16986725081. The reversal of 16986725064 is 46052768961.

16986725064 is a `hidden beast` number, since 1 + 69 + 8 + 6 + 72 + 506 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16986725064.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362142 + ... + 406349.

It is an arithmetic number, because the mean of its divisors is an integer number (961575615).

Almost surely, 2^16986725064 is an apocalyptic number.

It is an amenable number.

16986725064 is an abundant number, since it is smaller than the sum of its proper divisors (29168904456).

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

16986725064 is a wasteful number, since it uses less digits than its factorization.

16986725064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768810 (or 768803 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 16986725064 in words is "sixteen billion, nine hundred eighty-six million, seven hundred twenty-five thousand, sixty-four".