163268970 has 32 divisors (see below), whose sum is σ = 401405760. Its totient is φ = 42476160.

The previous prime is 163268951. The next prime is 163268977. The reversal of 163268970 is 79862361.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (163268977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65140 + ... + 67599.

It is an arithmetic number, because the mean of its divisors is an integer number (12543930).

Almost surely, 2^163268970 is an apocalyptic number.

163268970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163268970 is an abundant number, since it is smaller than the sum of its proper divisors (238136790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163268970 is a wasteful number, since it uses less digits than its factorization.

163268970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132790.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 163268970 is about 12777.6746710816. The cubic root of 163268970 is about 546.5558549108. Note that the first 3 decimals are identical.

The spelling of 163268970 in words is "one hundred sixty-three million, two hundred sixty-eight thousand, nine hundred seventy".