11720580662 has 8 divisors (see below), whose sum is σ = 20092424016. Its totient is φ = 5023105992.

The previous prime is 11720580647. The next prime is 11720580701. The reversal of 11720580662 is 26608502711.

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

It is a super-2 number, since 2×11720580662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418592153 + ... + 418592180.

It is an arithmetic number, because the mean of its divisors is an integer number (2511553002).

Almost surely, 2^11720580662 is an apocalyptic number.

11720580662 is a deficient number, since it is larger than the sum of its proper divisors (8371843354).

11720580662 is an equidigital number, since it uses as much as digits as its factorization.

11720580662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837184342.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 11720580662 in words is "eleven billion, seven hundred twenty million, five hundred eighty thousand, six hundred sixty-two".