14830561661920 has 48 divisors (see below), whose sum is σ = 35132671280448. Its totient is φ = 5916060541440.

The previous prime is 14830561661843. The next prime is 14830561661933. The reversal of 14830561661920 is 2916616503841.

It is a happy number.

It is a super-2 number, since 2×14830561661920² (a number of 27 digits) contains 22 as substring.

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, 126223311 + ... + 126340750.

It is an arithmetic number, because the mean of its divisors is an integer number (731930651676).

Almost surely, 2^{14830561661920} is an apocalyptic number.

14830561661920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14830561661920 is an abundant number, since it is smaller than the sum of its proper divisors (20302109618528).

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

14830561661920 is a wasteful number, since it uses less digits than its factorization.

14830561661920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252564443 (or 252564435 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 14830561661920 in words is "fourteen trillion, eight hundred thirty billion, five hundred sixty-one million, six hundred sixty-one thousand, nine hundred twenty".