37731216136368 has 40 divisors (see below), whose sum is σ = 97475030706688. Its totient is φ = 12576720773952.

The previous prime is 37731216136357. The next prime is 37731216136373. The reversal of 37731216136368 is 86363161213773.

It is a happy number.

It is a super-2 number, since 2×37731216136368² (a number of 28 digits) contains 22 as substring.

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, 9237880 + ... + 12680727.

Almost surely, 2^{37731216136368} is an apocalyptic number.

It is an amenable number.

37731216136368 is an abundant number, since it is smaller than the sum of its proper divisors (59743814570320).

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

37731216136368 is a wasteful number, since it uses less digits than its factorization.

37731216136368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21954481 (or 21954475 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 57.

The spelling of 37731216136368 in words is "thirty-seven trillion, seven hundred thirty-one billion, two hundred sixteen million, one hundred thirty-six thousand, three hundred sixty-eight".