163540031565146 has 8 divisors (see below), whose sum is σ = 248670458955444. Its totient is φ = 80649878580000.

The previous prime is 163540031565133. The next prime is 163540031565179. The reversal of 163540031565146 is 641565130045361.

It is a happy number.

163540031565146 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156750124560121 + 6789907005025 = 12519989^2 + 2605745^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 163540031565094 and 163540031565103.

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, 560068601105 + ... + 560068601396.

Almost surely, 2^{163540031565146} is an apocalyptic number.

163540031565146 is a deficient number, since it is larger than the sum of its proper divisors (85130427390298).

163540031565146 is a wasteful number, since it uses less digits than its factorization.

163540031565146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120137202576.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 163540031565146 in words is "one hundred sixty-three trillion, five hundred forty billion, thirty-one million, five hundred sixty-five thousand, one hundred forty-six".