16712947515 has 64 divisors (see below), whose sum is σ = 30371189760. Its totient is φ = 7773642240.

The previous prime is 16712947507. The next prime is 16712947529. The reversal of 16712947515 is 51574921761.

It is not a de Polignac number, because 16712947515 - 2³ = 16712947507 is a prime.

It is a super-2 number, since 2×16712947515² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 740122 + ... + 762368.

It is an arithmetic number, because the mean of its divisors is an integer number (474549840).

Almost surely, 2^16712947515 is an apocalyptic number.

16712947515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16712947515 is a deficient number, since it is larger than the sum of its proper divisors (13658242245).

16712947515 is a wasteful number, since it uses less digits than its factorization.

16712947515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22452.

The product of its digits is 529200, while the sum is 48.

The spelling of 16712947515 in words is "sixteen billion, seven hundred twelve million, nine hundred forty-seven thousand, five hundred fifteen".