61331668882 has 16 divisors (see below), whose sum is σ = 100751431392. Its totient is φ = 27769553920.

The previous prime is 61331668873. The next prime is 61331668891. The reversal of 61331668882 is 28886613316.

It is an interprime number because it is at equal distance from previous prime (61331668873) and next prime (61331668891).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5418088 + ... + 5429395.

It is an arithmetic number, because the mean of its divisors is an integer number (6296964462).

Almost surely, 2^61331668882 is an apocalyptic number.

61331668882 is a deficient number, since it is larger than the sum of its proper divisors (39419762510).

61331668882 is a wasteful number, since it uses less digits than its factorization.

61331668882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10847753.

The product of its digits is 1990656, while the sum is 52.

The spelling of 61331668882 in words is "sixty-one billion, three hundred thirty-one million, six hundred sixty-eight thousand, eight hundred eighty-two".