163442323616402 has 12 divisors (see below), whose sum is σ = 258745949992206. Its totient is φ = 77420048028480.

The previous prime is 163442323616399. The next prime is 163442323616413. The reversal of 163442323616402 is 204616323244361.

It can be written as a sum of positive squares in only one way, i.e., 160753769834641 + 2688553781761 = 12678871^2 + 1639681^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113187203999 + ... + 113187205442.

Almost surely, 2^{163442323616402} is an apocalyptic number.

163442323616402 is a deficient number, since it is larger than the sum of its proper divisors (95303626375804).

163442323616402 is a wasteful number, since it uses less digits than its factorization.

163442323616402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226374409481 (or 226374409462 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 47.

The spelling of 163442323616402 in words is "one hundred sixty-three trillion, four hundred forty-two billion, three hundred twenty-three million, six hundred sixteen thousand, four hundred two".