163456426 has 8 divisors (see below), whose sum is σ = 280211040. Its totient is φ = 70052748.

The previous prime is 163456379. The next prime is 163456439. The reversal of 163456426 is 624654361.

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, 5837716 + ... + 5837743.

It is an arithmetic number, because the mean of its divisors is an integer number (35026380).

Almost surely, 2^163456426 is an apocalyptic number.

163456426 is a deficient number, since it is larger than the sum of its proper divisors (116754614).

163456426 is a wasteful number, since it uses less digits than its factorization.

163456426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675468.

The product of its digits is 103680, while the sum is 37.

The square root of 163456426 is about 12785.0078607719. The cubic root of 163456426 is about 546.7649495278.

The spelling of 163456426 in words is "one hundred sixty-three million, four hundred fifty-six thousand, four hundred twenty-six".