33899949616 has 20 divisors (see below), whose sum is σ = 70733549152. Its totient is φ = 15646130496.

The previous prime is 33899949569. The next prime is 33899949647. The reversal of 33899949616 is 61694999833.

It is a super-2 number, since 2×33899949616² (a number of 22 digits) contains 22 as substring.

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, 81490056 + ... + 81490471.

Almost surely, 2^33899949616 is an apocalyptic number.

It is an amenable number.

33899949616 is an abundant number, since it is smaller than the sum of its proper divisors (36833599536).

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

33899949616 is a wasteful number, since it uses less digits than its factorization.

33899949616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162980548 (or 162980542 counting only the distinct ones).

The product of its digits is 68024448, while the sum is 67.

The spelling of 33899949616 in words is "thirty-three billion, eight hundred ninety-nine million, nine hundred forty-nine thousand, six hundred sixteen".