37578082164 has 72 divisors (see below), whose sum is σ = 102230694720. Its totient is φ = 10712064384.

The previous prime is 37578082109. The next prime is 37578082183. The reversal of 37578082164 is 46128087573.

It is a super-2 number, since 2×37578082164² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185344 + ... + 330920.

It is an arithmetic number, because the mean of its divisors is an integer number (1419870760).

Almost surely, 2^37578082164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37578082164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51115347360).

37578082164 is an abundant number, since it is smaller than the sum of its proper divisors (64652612556).

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

37578082164 is a wasteful number, since it uses less digits than its factorization.

37578082164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146037 (or 146028 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 37578082164 in words is "thirty-seven billion, five hundred seventy-eight million, eighty-two thousand, one hundred sixty-four".