38403665160738 has 64 divisors (see below), whose sum is σ = 82624520869632. Its totient is φ = 11869907512320.

The previous prime is 38403665160689. The next prime is 38403665160919. The reversal of 38403665160738 is 83706156630483.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20727931 + ... + 22504542.

It is an arithmetic number, because the mean of its divisors is an integer number (1291008138588).

Almost surely, 2^{38403665160738} is an apocalyptic number.

38403665160738 is an abundant number, since it is smaller than the sum of its proper divisors (44220855708894).

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

38403665160738 is a wasteful number, since it uses less digits than its factorization.

38403665160738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43232699.

The product of its (nonzero) digits is 52254720, while the sum is 60.

The spelling of 38403665160738 in words is "thirty-eight trillion, four hundred three billion, six hundred sixty-five million, one hundred sixty thousand, seven hundred thirty-eight".