11632161537 has 12 divisors (see below), whose sum is σ = 17211816804. Its totient is φ = 7565633280.

The previous prime is 11632161533. The next prime is 11632161559. The reversal of 11632161537 is 73516123611.

11632161537 is a `hidden beast` number, since 1 + 1 + 6 + 3 + 2 + 1 + 615 + 37 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6059688336 + 5572473201 = 77844^2 + 74649^2 .

It is not a de Polignac number, because 11632161537 - 2² = 11632161533 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11632161533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15761368 + ... + 15762105.

It is an arithmetic number, because the mean of its divisors is an integer number (1434318067).

Almost surely, 2^11632161537 is an apocalyptic number.

It is an amenable number.

11632161537 is a deficient number, since it is larger than the sum of its proper divisors (5579655267).

11632161537 is a wasteful number, since it uses less digits than its factorization.

11632161537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31523520 (or 31523517 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The spelling of 11632161537 in words is "eleven billion, six hundred thirty-two million, one hundred sixty-one thousand, five hundred thirty-seven".