163140670 has 128 divisors (see below), whose sum is σ = 394647552. Its totient is φ = 47393280.

The previous prime is 163140661. The next prime is 163140673. The reversal of 163140670 is 76041361.

163140670 = T₁₅₉₆ + T₁₅₉₇ + ... + T₁₇₁₄.

163140670 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×163140670² = 53229756416097800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163140673) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1583839 + ... + 1583941.

It is an arithmetic number, because the mean of its divisors is an integer number (3083184).

Almost surely, 2^163140670 is an apocalyptic number.

163140670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163140670 is an abundant number, since it is smaller than the sum of its proper divisors (231506882).

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

163140670 is a wasteful number, since it uses less digits than its factorization.

163140670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 163140670 is about 12772.6532091026. The cubic root of 163140670 is about 546.4126525777.

The spelling of 163140670 in words is "one hundred sixty-three million, one hundred forty thousand, six hundred seventy".