163464646 has 8 divisors (see below), whose sum is σ = 245353824. Its totient is φ = 81680040.

The previous prime is 163464589. The next prime is 163464659. The reversal of 163464646 is 646464361.

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

It is a junction number, because it is equal to n+sod(n) for n = 163464599 and 163464608.

It is a congruent number.

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, 22110 + ... + 28561.

It is an arithmetic number, because the mean of its divisors is an integer number (30669228).

Almost surely, 2^163464646 is an apocalyptic number.

163464646 is a deficient number, since it is larger than the sum of its proper divisors (81889178).

163464646 is a wasteful number, since it uses less digits than its factorization.

163464646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52286.

The product of its digits is 248832, while the sum is 40.

The square root of 163464646 is about 12785.3293270060. The cubic root of 163464646 is about 546.7741147279.

The spelling of 163464646 in words is "one hundred sixty-three million, four hundred sixty-four thousand, six hundred forty-six".