163456402 has 8 divisors (see below), whose sum is σ = 246211200. Its totient is φ = 81386004.

The previous prime is 163456379. The next prime is 163456439. The reversal of 163456402 is 204654361.

163456402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 170502 + ... + 171457.

It is an arithmetic number, because the mean of its divisors is an integer number (30776400).

Almost surely, 2^163456402 is an apocalyptic number.

163456402 is a deficient number, since it is larger than the sum of its proper divisors (82754798).

163456402 is a wasteful number, since it uses less digits than its factorization.

163456402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342200.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 163456402 is about 12785.0069221725. The cubic root of 163456402 is about 546.7649227677.

The spelling of 163456402 in words is "one hundred sixty-three million, four hundred fifty-six thousand, four hundred two".