37691670912 has 128 divisors (see below), whose sum is σ = 118112409600. Its totient is φ = 10421637120.

The previous prime is 37691670899. The next prime is 37691670917. The reversal of 37691670912 is 21907619673.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×37691670912² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37691670917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142837 + ... + 309492.

It is an arithmetic number, because the mean of its divisors is an integer number (922753200).

Almost surely, 2^37691670912 is an apocalyptic number.

37691670912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

37691670912 is an abundant number, since it is smaller than the sum of its proper divisors (80420738688).

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

37691670912 is a wasteful number, since it uses less digits than its factorization.

37691670912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452384 (or 452372 counting only the distinct ones).

The product of its (nonzero) digits is 857304, while the sum is 51.

The spelling of 37691670912 in words is "thirty-seven billion, six hundred ninety-one million, six hundred seventy thousand, nine hundred twelve".