17938137741960 has 64 divisors (see below), whose sum is σ = 53815462228800. Its totient is φ = 4783410153216.

The previous prime is 17938137741919. The next prime is 17938137741967. The reversal of 17938137741960 is 6914773183971.

It is a happy number.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 17938137741891 and 17938137741900.

It is not an unprimeable number, because it can be changed into a prime (17938137741967) 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, 4837611 + ... + 7699269.

It is an arithmetic number, because the mean of its divisors is an integer number (840866597325).

Almost surely, 2^{17938137741960} is an apocalyptic number.

17938137741960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

17938137741960 is an abundant number, since it is smaller than the sum of its proper divisors (35877324486840).

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

17938137741960 is a wasteful number, since it uses less digits than its factorization.

17938137741960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913910 (or 2913906 counting only the distinct ones).

The product of its (nonzero) digits is 48009024, while the sum is 66.

The spelling of 17938137741960 in words is "seventeen trillion, nine hundred thirty-eight billion, one hundred thirty-seven million, seven hundred forty-one thousand, nine hundred sixty".