163616013420 has 48 divisors (see below), whose sum is σ = 460025811168. Its totient is φ = 43449891840.

The previous prime is 163616013401. The next prime is 163616013461. The reversal of 163616013420 is 24310616361.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5643079 + ... + 5671998.

It is an arithmetic number, because the mean of its divisors is an integer number (9583871066).

Almost surely, 2^163616013420 is an apocalyptic number.

163616013420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163616013420 is an abundant number, since it is smaller than the sum of its proper divisors (296409797748).

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

163616013420 is a wasteful number, since it uses less digits than its factorization.

163616013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11315330 (or 11315328 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

Adding to 163616013420 its reverse (24310616361), we get a palindrome (187926629781).

The spelling of 163616013420 in words is "one hundred sixty-three billion, six hundred sixteen million, thirteen thousand, four hundred twenty".