36643551161 has 8 divisors (see below), whose sum is σ = 41937416640. Its totient is φ = 31364453808.

The previous prime is 36643551151. The next prime is 36643551211. The reversal of 36643551161 is 16115534663.

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

It is a cyclic number.

It is not a de Polignac number, because 36643551161 - 2³⁴ = 19463681977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36643551151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3686711 + ... + 3696636.

It is an arithmetic number, because the mean of its divisors is an integer number (5242177080).

Almost surely, 2^36643551161 is an apocalyptic number.

It is an amenable number.

36643551161 is a deficient number, since it is larger than the sum of its proper divisors (5293865479).

36643551161 is an equidigital number, since it uses as much as digits as its factorization.

36643551161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7384063.

The product of its digits is 194400, while the sum is 41.

The spelling of 36643551161 in words is "thirty-six billion, six hundred forty-three million, five hundred fifty-one thousand, one hundred sixty-one".