52166617916 has 24 divisors (see below), whose sum is σ = 104827718016. Its totient is φ = 22251161520.

The previous prime is 52166617907. The next prime is 52166617967. The reversal of 52166617916 is 61971666125.

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, 4409006 + ... + 4420821.

It is an arithmetic number, because the mean of its divisors is an integer number (4367821584).

Almost surely, 2^52166617916 is an apocalyptic number.

It is an amenable number.

52166617916 is an abundant number, since it is smaller than the sum of its proper divisors (52661100100).

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

52166617916 is a wasteful number, since it uses less digits than its factorization.

52166617916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8830049 (or 8830047 counting only the distinct ones).

The product of its digits is 816480, while the sum is 50.

The spelling of 52166617916 in words is "fifty-two billion, one hundred sixty-six million, six hundred seventeen thousand, nine hundred sixteen".