36406036566 has 24 divisors (see below), whose sum is σ = 78884632944. Its totient is φ = 12134593680.

The previous prime is 36406036529. The next prime is 36406036577. The reversal of 36406036566 is 66563060463.

It is a happy number.

36406036566 is a `hidden beast` number, since 36 + 4 + 0 + 603 + 6 + 5 + 6 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289420 + ... + 395696.

It is an arithmetic number, because the mean of its divisors is an integer number (3286859706).

Almost surely, 2^36406036566 is an apocalyptic number.

36406036566 is an abundant number, since it is smaller than the sum of its proper divisors (42478596378).

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

36406036566 is a wasteful number, since it uses less digits than its factorization.

36406036566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125316 (or 125313 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 36406036566 in words is "thirty-six billion, four hundred six million, thirty-six thousand, five hundred sixty-six".