33999816642 has 32 divisors (see below), whose sum is σ = 74317112064. Its totient is φ = 10284128400.

The previous prime is 33999816637. The next prime is 33999816667. The reversal of 33999816642 is 24661899933.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 434784 + ... + 506987.

It is an arithmetic number, because the mean of its divisors is an integer number (2322409752).

Almost surely, 2^33999816642 is an apocalyptic number.

33999816642 is an abundant number, since it is smaller than the sum of its proper divisors (40317295422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33999816642 is a wasteful number, since it uses less digits than its factorization.

33999816642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942334.

The product of its digits is 15116544, while the sum is 60.

The spelling of 33999816642 in words is "thirty-three billion, nine hundred ninety-nine million, eight hundred sixteen thousand, six hundred forty-two".