36616466251 has 4 divisors (see below), whose sum is σ = 37606100512. Its totient is φ = 35626831992.

The previous prime is 36616466221. The next prime is 36616466269. The reversal of 36616466251 is 15266461663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15266461663 = 52951 ⋅288313.

It is a cyclic number.

It is not a de Polignac number, because 36616466251 - 2⁵ = 36616466219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36616466221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494817075 + ... + 494817148.

It is an arithmetic number, because the mean of its divisors is an integer number (9401525128).

Almost surely, 2^36616466251 is an apocalyptic number.

36616466251 is a deficient number, since it is larger than the sum of its proper divisors (989634261).

36616466251 is an equidigital number, since it uses as much as digits as its factorization.

36616466251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989634260.

The product of its digits is 933120, while the sum is 46.

The spelling of 36616466251 in words is "thirty-six billion, six hundred sixteen million, four hundred sixty-six thousand, two hundred fifty-one".