36665763732021 has 16 divisors (see below), whose sum is σ = 48928407091200. Its totient is φ = 24423482936688.

The previous prime is 36665763732001. The next prime is 36665763732041. The reversal of 36665763732021 is 12023736756663.

It is an interprime number because it is at equal distance from previous prime (36665763732001) and next prime (36665763732041).

It is not a de Polignac number, because 36665763732021 - 2¹³ = 36665763723829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36665763732001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105382140 + ... + 105729498.

It is an arithmetic number, because the mean of its divisors is an integer number (3058025443200).

Almost surely, 2^{36665763732021} is an apocalyptic number.

It is an amenable number.

36665763732021 is a deficient number, since it is larger than the sum of its proper divisors (12262643359179).

36665763732021 is a wasteful number, since it uses less digits than its factorization.

36665763732021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376568.

The product of its (nonzero) digits is 34292160, while the sum is 57.

The spelling of 36665763732021 in words is "thirty-six trillion, six hundred sixty-five billion, seven hundred sixty-three million, seven hundred thirty-two thousand, twenty-one".