20125537176616 has 16 divisors (see below), whose sum is σ = 37817237705940. Its totient is φ = 10040940455040.

The previous prime is 20125537176571. The next prime is 20125537176683. The reversal of 20125537176616 is 61667173552102.

It can be written as a sum of positive squares in 2 ways, for example, as 20068124224516 + 57412952100 = 4479746^2 + 239610^2 .

It is a super-2 number, since 2×20125537176616² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2728512741 + ... + 2728520116.

Almost surely, 2^{20125537176616} is an apocalyptic number.

It is an amenable number.

20125537176616 is a deficient number, since it is larger than the sum of its proper divisors (17691700529324).

20125537176616 is a wasteful number, since it uses less digits than its factorization.

20125537176616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5457033324 (or 5457033320 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 20125537176616 in words is "twenty trillion, one hundred twenty-five billion, five hundred thirty-seven million, one hundred seventy-six thousand, six hundred sixteen".