16077387537 has 12 divisors (see below), whose sum is σ = 23289438900. Its totient is φ = 10687544928.

The previous prime is 16077387533. The next prime is 16077387539. The reversal of 16077387537 is 73578377061.

16077387537 is a `hidden beast` number, since 1 + 6 + 0 + 77 + 38 + 7 + 537 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5370104961 + 10707282576 = 73281^2 + 103476^2 .

It is not a de Polignac number, because 16077387537 - 2² = 16077387533 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (16077387533) 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 11 ways as a sum of consecutive naturals, for example, 2556138 + ... + 2562419.

It is an arithmetic number, because the mean of its divisors is an integer number (1940786575).

Almost surely, 2^16077387537 is an apocalyptic number.

It is an amenable number.

16077387537 is a deficient number, since it is larger than the sum of its proper divisors (7212051363).

16077387537 is a wasteful number, since it uses less digits than its factorization.

16077387537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118912 (or 5118909 counting only the distinct ones).

The product of its (nonzero) digits is 5186160, while the sum is 54.

The spelling of 16077387537 in words is "sixteen billion, seventy-seven million, three hundred eighty-seven thousand, five hundred thirty-seven".