36431741666 has 8 divisors (see below), whose sum is σ = 56532013020. Its totient is φ = 17587737328.

The previous prime is 36431741639. The next prime is 36431741681. The reversal of 36431741666 is 66614713463.

It can be written as a sum of positive squares in 2 ways, for example, as 36431738641 + 3025 = 190871^2 + 55^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36431741666.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314066681 + ... + 314066796.

Almost surely, 2^36431741666 is an apocalyptic number.

36431741666 is a deficient number, since it is larger than the sum of its proper divisors (20100271354).

36431741666 is a wasteful number, since it uses less digits than its factorization.

36431741666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628133508.

The product of its digits is 1306368, while the sum is 47.

The spelling of 36431741666 in words is "thirty-six billion, four hundred thirty-one million, seven hundred forty-one thousand, six hundred sixty-six".