420163596 has 36 divisors (see below), whose sum is σ = 1074883992. Its totient is φ = 138366144.

The previous prime is 420163573. The next prime is 420163637. The reversal of 420163596 is 695361024.

It is a happy number.

420163596 is a `hidden beast` number, since 4 + 2 + 0 + 1 + 63 + 596 = 666.

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 a self number, because there is not a number n which added to its sum of digits gives 420163596.

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, 67321 + ... + 73296.

Almost surely, 2^420163596 is an apocalyptic number.

It is an amenable number.

420163596 is an abundant number, since it is smaller than the sum of its proper divisors (654720396).

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

420163596 is a wasteful number, since it uses less digits than its factorization.

420163596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140710 (or 140705 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 420163596 is about 20497.8924770329. The cubic root of 420163596 is about 748.9844601925.

The spelling of 420163596 in words is "four hundred twenty million, one hundred sixty-three thousand, five hundred ninety-six".