16715516612 has 6 divisors (see below), whose sum is σ = 29252154078. Its totient is φ = 8357758304.

The previous prime is 16715516579. The next prime is 16715516617. The reversal of 16715516612 is 21661551761.

It can be written as a sum of positive squares in only one way, i.e., 12565064836 + 4150451776 = 112094^2 + 64424^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16715516612.

It is not an unprimeable number, because it can be changed into a prime (16715516617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2089439573 + ... + 2089439580.

It is an arithmetic number, because the mean of its divisors is an integer number (4875359013).

Almost surely, 2^16715516612 is an apocalyptic number.

It is an amenable number.

16715516612 is a deficient number, since it is larger than the sum of its proper divisors (12536637466).

16715516612 is a wasteful number, since it uses less digits than its factorization.

16715516612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4178879157 (or 4178879155 counting only the distinct ones).

The product of its digits is 75600, while the sum is 41.

The spelling of 16715516612 in words is "sixteen billion, seven hundred fifteen million, five hundred sixteen thousand, six hundred twelve".