163090764 has 36 divisors (see below), whose sum is σ = 413922600. Its totient is φ = 54144000.

The previous prime is 163090757. The next prime is 163090789. The reversal of 163090764 is 467090361.

163090764 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12 + ... + 18060.

It is an arithmetic number, because the mean of its divisors is an integer number (11497850).

Almost surely, 2^163090764 is an apocalyptic number.

It is an amenable number.

163090764 is an abundant number, since it is smaller than the sum of its proper divisors (250831836).

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

163090764 is a wasteful number, since it uses less digits than its factorization.

163090764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18310 (or 18305 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 163090764 is about 12770.6994326857. The cubic root of 163090764 is about 546.3569296017.

The spelling of 163090764 in words is "one hundred sixty-three million, ninety thousand, seven hundred sixty-four".