163133770 has 16 divisors (see below), whose sum is σ = 293786208. Its totient is φ = 65221200.

The previous prime is 163133767. The next prime is 163133771. The reversal of 163133770 is 77331361.

163133770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163133770² = 53225253828825800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (163133771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38245 + ... + 42295.

It is an arithmetic number, because the mean of its divisors is an integer number (18361638).

Almost surely, 2^163133770 is an apocalyptic number.

163133770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163133770 is a deficient number, since it is larger than the sum of its proper divisors (130652438).

163133770 is a wasteful number, since it uses less digits than its factorization.

163133770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8085.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 163133770 is about 12772.3830979187. The cubic root of 163133770 is about 546.4049490001.

The spelling of 163133770 in words is "one hundred sixty-three million, one hundred thirty-three thousand, seven hundred seventy".