16711620610225 has 12 divisors (see below), whose sum is σ = 20829779560396. Its totient is φ = 13300025518080.

The previous prime is 16711620610163. The next prime is 16711620610247. The reversal of 16711620610225 is 52201602611761.

It can be written as a sum of positive squares in 6 ways, for example, as 14001752241 + 16697618857984 = 118329^2 + 4086272^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16711620610225 is a prime.

It is a Duffinian number.

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, 1731769332 + ... + 1731778981.

Almost surely, 2^{16711620610225} is an apocalyptic number.

It is an amenable number.

16711620610225 is a deficient number, since it is larger than the sum of its proper divisors (4118158950171).

16711620610225 is a wasteful number, since it uses less digits than its factorization.

16711620610225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463548516 (or 3463548511 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 16711620610225 in words is "sixteen trillion, seven hundred eleven billion, six hundred twenty million, six hundred ten thousand, two hundred twenty-five".