169175438540 has 12 divisors (see below), whose sum is σ = 355268420976. Its totient is φ = 67670175408.

The previous prime is 169175438473. The next prime is 169175438561. The reversal of 169175438540 is 45834571961.

169175438540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4229385944 + ... + 4229385983.

It is an arithmetic number, because the mean of its divisors is an integer number (29605701748).

Almost surely, 2^169175438540 is an apocalyptic number.

169175438540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169175438540 is an abundant number, since it is smaller than the sum of its proper divisors (186092982436).

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

169175438540 is a wasteful number, since it uses less digits than its factorization.

169175438540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458771936 (or 8458771934 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 169175438540 in words is "one hundred sixty-nine billion, one hundred seventy-five million, four hundred thirty-eight thousand, five hundred forty".