163614631002442 has 4 divisors (see below), whose sum is σ = 245421946503666. Its totient is φ = 81807315501220.

The previous prime is 163614631002409. The next prime is 163614631002451. The reversal of 163614631002442 is 244200136416361.

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., 145997463209481 + 17617167792961 = 12082941^2 + 4197281^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40903657750609 + ... + 40903657750612.

Almost surely, 2^{163614631002442} is an apocalyptic number.

163614631002442 is a deficient number, since it is larger than the sum of its proper divisors (81807315501224).

163614631002442 is an equidigital number, since it uses as much as digits as its factorization.

163614631002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81807315501223.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 163614631002442 in words is "one hundred sixty-three trillion, six hundred fourteen billion, six hundred thirty-one million, two thousand, four hundred forty-two".