16537237992 has 80 divisors (see below), whose sum is σ = 50530471200. Its totient is φ = 5011282080.

The previous prime is 16537237991. The next prime is 16537238009. The reversal of 16537237992 is 29973273561.

16537237992 is a `hidden beast` number, since 16 + 537 + 2 + 3 + 7 + 9 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (16537237991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1152892 + ... + 1167147.

It is an arithmetic number, because the mean of its divisors is an integer number (631630890).

Almost surely, 2^16537237992 is an apocalyptic number.

16537237992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16537237992 is an abundant number, since it is smaller than the sum of its proper divisors (33993233208).

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

16537237992 is a wasteful number, since it uses less digits than its factorization.

16537237992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2320068 (or 2320055 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 54.

The spelling of 16537237992 in words is "sixteen billion, five hundred thirty-seven million, two hundred thirty-seven thousand, nine hundred ninety-two".