38138533690116 has 24 divisors (see below), whose sum is σ = 89024906081664. Its totient is φ = 12707845400800.

The previous prime is 38138533690067. The next prime is 38138533690183. The reversal of 38138533690116 is 61109633583183.

It is a super-2 number, since 2×38138533690116² (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, 624863535 + ... + 624924566.

It is an arithmetic number, because the mean of its divisors is an integer number (3709371086736).

Almost surely, 2^{38138533690116} is an apocalyptic number.

It is an amenable number.

38138533690116 is an abundant number, since it is smaller than the sum of its proper divisors (50886372391548).

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

38138533690116 is a wasteful number, since it uses less digits than its factorization.

38138533690116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249790651 (or 1249790649 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 57.

The spelling of 38138533690116 in words is "thirty-eight trillion, one hundred thirty-eight billion, five hundred thirty-three million, six hundred ninety thousand, one hundred sixteen".