522161465172340 has 24 divisors (see below), whose sum is σ = 1253187516413952. Its totient is φ = 179026788059040.

The previous prime is 522161465172317. The next prime is 522161465172349. The reversal of 522161465172340 is 43271564161225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522161465172349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1864862375476 + ... + 1864862375755.

It is an arithmetic number, because the mean of its divisors is an integer number (52216146517248).

Almost surely, 2^{522161465172340} is an apocalyptic number.

It is an amenable number.

522161465172340 is an abundant number, since it is smaller than the sum of its proper divisors (731026051241612).

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

522161465172340 is a wasteful number, since it uses less digits than its factorization.

522161465172340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729724751247 (or 3729724751245 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 522161465172340 in words is "five hundred twenty-two trillion, one hundred sixty-one billion, four hundred sixty-five million, one hundred seventy-two thousand, three hundred forty".