163620464 has 40 divisors (see below), whose sum is σ = 362902368. Its totient is φ = 70007040.

The previous prime is 163620409. The next prime is 163620469. The reversal of 163620464 is 464026361.

163620464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 163620464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163620469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131654 + ... + 132890.

Almost surely, 2^163620464 is an apocalyptic number.

163620464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

163620464 is an abundant number, since it is smaller than the sum of its proper divisors (199281904).

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

163620464 is a wasteful number, since it uses less digits than its factorization.

163620464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 163620464 is about 12791.4215003650. The cubic root of 163620464 is about 546.9477918192.

The spelling of 163620464 in words is "one hundred sixty-three million, six hundred twenty thousand, four hundred sixty-four".