163236913250 has 16 divisors (see below), whose sum is σ = 305579502072. Its totient is φ = 65294765200.

The previous prime is 163236913201. The next prime is 163236913267. The reversal of 163236913250 is 52319632361.

It can be written as a sum of positive squares in 4 ways, for example, as 69284241961 + 93952671289 = 263219^2 + 306517^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 163236913198 and 163236913207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326473577 + ... + 326474076.

Almost surely, 2^163236913250 is an apocalyptic number.

163236913250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163236913250 is a deficient number, since it is larger than the sum of its proper divisors (142342588822).

163236913250 is an equidigital number, since it uses as much as digits as its factorization.

163236913250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652947670 (or 652947660 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 41.

The spelling of 163236913250 in words is "one hundred sixty-three billion, two hundred thirty-six million, nine hundred thirteen thousand, two hundred fifty".