163540031012522 has 32 divisors (see below), whose sum is σ = 267202684977408. Its totient is φ = 74772767612416.

The previous prime is 163540031012509. The next prime is 163540031012537. The reversal of 163540031012522 is 225210130045361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373286348 + ... + 373724199.

It is an arithmetic number, because the mean of its divisors is an integer number (8350083905544).

Almost surely, 2^{163540031012522} is an apocalyptic number.

163540031012522 is a deficient number, since it is larger than the sum of its proper divisors (103662653964886).

163540031012522 is a wasteful number, since it uses less digits than its factorization.

163540031012522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747010750.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 163540031012522 its reverse (225210130045361), we get a palindrome (388750161057883).

The spelling of 163540031012522 in words is "one hundred sixty-three trillion, five hundred forty billion, thirty-one million, twelve thousand, five hundred twenty-two".