163016716364954 has 4 divisors (see below), whose sum is σ = 244525074547434. Its totient is φ = 81508358182476.

The previous prime is 163016716364903. The next prime is 163016716365001. The reversal of 163016716364954 is 459463617610361.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 161891854610929 + 1124861754025 = 12723673^2 + 1060595^2 .

It is a super-2 number, since 2×163016716364954² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40754179091237 + ... + 40754179091240.

Almost surely, 2^{163016716364954} is an apocalyptic number.

163016716364954 is a deficient number, since it is larger than the sum of its proper divisors (81508358182480).

163016716364954 is an equidigital number, since it uses as much as digits as its factorization.

163016716364954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81508358182479.

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 163016716364954 in words is "one hundred sixty-three trillion, sixteen billion, seven hundred sixteen million, three hundred sixty-four thousand, nine hundred fifty-four".