163059990 has 16 divisors (see below), whose sum is σ = 391344048. Its totient is φ = 43482656.

The previous prime is 163059983. The next prime is 163059991. The reversal of 163059990 is 99950361.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163059991) 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, 2717637 + ... + 2717696.

It is an arithmetic number, because the mean of its divisors is an integer number (24459003).

Almost surely, 2^163059990 is an apocalyptic number.

163059990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163059990 is an abundant number, since it is smaller than the sum of its proper divisors (228284058).

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

163059990 is a wasteful number, since it uses less digits than its factorization.

163059990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5435343.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 163059990 is about 12769.4945083977. The cubic root of 163059990 is about 546.3225629595.

The spelling of 163059990 in words is "one hundred sixty-three million, fifty-nine thousand, nine hundred ninety".