36556346673 has 24 divisors (see below), whose sum is σ = 65833075776. Its totient is φ = 18990309600.

The previous prime is 36556346663. The next prime is 36556346681. The reversal of 36556346673 is 37664365563.

36556346673 is a `hidden beast` number, since 3 + 6 + 5 + 563 + 4 + 6 + 6 + 73 = 666.

It is not a de Polignac number, because 36556346673 - 2¹⁸ = 36556084529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36556346663) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26374738 + ... + 26376123.

It is an arithmetic number, because the mean of its divisors is an integer number (2743044824).

Almost surely, 2^36556346673 is an apocalyptic number.

36556346673 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

36556346673 is a deficient number, since it is larger than the sum of its proper divisors (29276729103).

36556346673 is a wasteful number, since it uses less digits than its factorization.

36556346673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52750885 (or 52750882 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 54.

The spelling of 36556346673 in words is "thirty-six billion, five hundred fifty-six million, three hundred forty-six thousand, six hundred seventy-three".