163540031565147 has 8 divisors (see below), whose sum is σ = 220170398482944. Its totient is φ = 107968176178728.

The previous prime is 163540031565133. The next prime is 163540031565179. The reversal of 163540031565147 is 741565130045361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 163540031565147 - 2¹² = 163540031561051 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163540031565147.

It is not an unprimeable number, because it can be changed into a prime (163540031566147) 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, 264627882483 + ... + 264627883100.

It is an arithmetic number, because the mean of its divisors is an integer number (27521299810368).

Almost surely, 2^{163540031565147} is an apocalyptic number.

163540031565147 is a deficient number, since it is larger than the sum of its proper divisors (56630366917797).

163540031565147 is a wasteful number, since it uses less digits than its factorization.

163540031565147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529255765689.

The product of its (nonzero) digits is 4536000, while the sum is 51.

The spelling of 163540031565147 in words is "one hundred sixty-three trillion, five hundred forty billion, thirty-one million, five hundred sixty-five thousand, one hundred forty-seven".