16820059364 has 12 divisors (see below), whose sum is σ = 29584522044. Its totient is φ = 8367338784.

The previous prime is 16820059349. The next prime is 16820059387. The reversal of 16820059364 is 46395002861.

It can be written as a sum of positive squares in 2 ways, for example, as 15156072100 + 1663987264 = 123110^2 + 40792^2 .

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10671839 + ... + 10673414.

It is an arithmetic number, because the mean of its divisors is an integer number (2465376837).

Almost surely, 2^16820059364 is an apocalyptic number.

It is an amenable number.

16820059364 is a deficient number, since it is larger than the sum of its proper divisors (12764462680).

16820059364 is a wasteful number, since it uses less digits than its factorization.

16820059364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21345454 (or 21345452 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 16820059364 in words is "sixteen billion, eight hundred twenty million, fifty-nine thousand, three hundred sixty-four".