163238746 has 32 divisors (see below), whose sum is σ = 283230720. Its totient is φ = 69854400.

The previous prime is 163238729. The next prime is 163238759. The reversal of 163238746 is 647832361.

It is a junction number, because it is equal to n+sod(n) for n = 163238699 and 163238708.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22000 + ... + 28468.

It is an arithmetic number, because the mean of its divisors is an integer number (8850960).

Almost surely, 2^163238746 is an apocalyptic number.

163238746 is a deficient number, since it is larger than the sum of its proper divisors (119991974).

163238746 is a wasteful number, since it uses less digits than its factorization.

163238746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6550.

The product of its digits is 145152, while the sum is 40.

The square root of 163238746 is about 12776.4919285381. The cubic root of 163238746 is about 546.5221270820.

The spelling of 163238746 in words is "one hundred sixty-three million, two hundred thirty-eight thousand, seven hundred forty-six".