16590055405500 has 96 divisors (see below), whose sum is σ = 53678045977920. Its totient is φ = 4424014771200.

The previous prime is 16590055405499. The next prime is 16590055405501. The reversal of 16590055405500 is 550455009561.

16590055405500 is a `hidden beast` number, since 1 + 6 + 5 + 9 + 0 + 0 + 55 + 40 + 550 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (16590055405499) and next prime (16590055405501).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16590055405501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 614432997 + ... + 614459996.

It is an arithmetic number, because the mean of its divisors is an integer number (559146312270).

Almost surely, 2^{16590055405500} is an apocalyptic number.

16590055405500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16590055405500 is an abundant number, since it is smaller than the sum of its proper divisors (37087990572420).

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

16590055405500 is a wasteful number, since it uses less digits than its factorization.

16590055405500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228893021 (or 1228893003 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 16590055405500 in words is "sixteen trillion, five hundred ninety billion, fifty-five million, four hundred five thousand, five hundred".