163562120460 has 72 divisors (see below), whose sum is σ = 497969349696. Its totient is φ = 43455605760.

The previous prime is 163562120377. The next prime is 163562120503. The reversal of 163562120460 is 64021265361.

163562120460 is a `hidden beast` number, since 1 + 6 + 3 + 5 + 621 + 20 + 4 + 6 + 0 = 666.

It is a super-2 number, since 2×163562120460² (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1627749 + ... + 1725308.

It is an arithmetic number, because the mean of its divisors is an integer number (6916240968).

Almost surely, 2^163562120460 is an apocalyptic number.

163562120460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163562120460 is an abundant number, since it is smaller than the sum of its proper divisors (334407229236).

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

163562120460 is a wasteful number, since it uses less digits than its factorization.

163562120460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353343 (or 3353338 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 163562120460 in words is "one hundred sixty-three billion, five hundred sixty-two million, one hundred twenty thousand, four hundred sixty".