36887201665 has 8 divisors (see below), whose sum is σ = 44266919400. Its totient is φ = 29508243072.

The previous prime is 36887201641. The next prime is 36887201693. The reversal of 36887201665 is 56610278863.

It can be written as a sum of positive squares in 4 ways, for example, as 2845475649 + 34041726016 = 53343^2 + 184504^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36887201665 - 2¹⁵ = 36887168897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76764 + ... + 282253.

It is an arithmetic number, because the mean of its divisors is an integer number (5533364925).

Almost surely, 2^36887201665 is an apocalyptic number.

It is an amenable number.

36887201665 is a deficient number, since it is larger than the sum of its proper divisors (7379717735).

36887201665 is a wasteful number, since it uses less digits than its factorization.

36887201665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379571.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 36887201665 in words is "thirty-six billion, eight hundred eighty-seven million, two hundred one thousand, six hundred sixty-five".