163073970 has 48 divisors (see below), whose sum is σ = 429817752. Its totient is φ = 42888960.

The previous prime is 163073921. The next prime is 163073971. The reversal of 163073970 is 79370361.

It can be written as a sum of positive squares in 4 ways, for example, as 105329169 + 57744801 = 10263^2 + 7599^2 .

It is not an unprimeable number, because it can be changed into a prime (163073971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5841 + ... + 18980.

Almost surely, 2^163073970 is an apocalyptic number.

163073970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163073970 is an abundant number, since it is smaller than the sum of its proper divisors (266743782).

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

163073970 is a wasteful number, since it uses less digits than its factorization.

163073970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24907 (or 24904 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 163073970 is about 12770.0418949978. The cubic root of 163073970 is about 546.3381755594.

The spelling of 163073970 in words is "one hundred sixty-three million, seventy-three thousand, nine hundred seventy".