163465620 has 24 divisors (see below), whose sum is σ = 457703904. Its totient is φ = 43590816.

The previous prime is 163465619. The next prime is 163465639. The reversal of 163465620 is 26564361.

163465620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362154 + ... + 1362273.

It is an arithmetic number, because the mean of its divisors is an integer number (19070996).

Almost surely, 2^163465620 is an apocalyptic number.

163465620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163465620 is an abundant number, since it is smaller than the sum of its proper divisors (294238284).

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

163465620 is a wasteful number, since it uses less digits than its factorization.

163465620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724439 (or 2724437 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 163465620 is about 12785.3674174816. The cubic root of 163465620 is about 546.7752007057.

The spelling of 163465620 in words is "one hundred sixty-three million, four hundred sixty-five thousand, six hundred twenty".