16323099562980 has 72 divisors (see below), whose sum is σ = 56586745156032. Its totient is φ = 3730994185536.

The previous prime is 16323099562969. The next prime is 16323099562993. The reversal of 16323099562980 is 8926599032361.

16323099562980 is a `hidden beast` number, since 1 + 6 + 32 + 30 + 9 + 9 + 562 + 9 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6477419202 + ... + 6477421721.

It is an arithmetic number, because the mean of its divisors is an integer number (785927016056).

Almost surely, 2^{16323099562980} is an apocalyptic number.

16323099562980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16323099562980 is an abundant number, since it is smaller than the sum of its proper divisors (40263645593052).

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

16323099562980 is a wasteful number, since it uses less digits than its factorization.

16323099562980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12954840945 (or 12954840940 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 16323099562980 in words is "sixteen trillion, three hundred twenty-three billion, ninety-nine million, five hundred sixty-two thousand, nine hundred eighty".