33991104464816 has 40 divisors (see below), whose sum is σ = 66367218788640. Its totient is φ = 16864187753984.

The previous prime is 33991104464797. The next prime is 33991104464833. The reversal of 33991104464816 is 61846440119933.

It is a happy number.

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, 1703405 + ... + 8419251.

It is an arithmetic number, because the mean of its divisors is an integer number (1659180469716).

Almost surely, 2^{33991104464816} is an apocalyptic number.

It is an amenable number.

33991104464816 is a deficient number, since it is larger than the sum of its proper divisors (32376114323824).

33991104464816 is a wasteful number, since it uses less digits than its factorization.

33991104464816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6718301 (or 6718295 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 59.

The spelling of 33991104464816 in words is "thirty-three trillion, nine hundred ninety-one billion, one hundred four million, four hundred sixty-four thousand, eight hundred sixteen".