33997632016 has 20 divisors (see below), whose sum is σ = 65895895612. Its totient is φ = 16992239616.

The previous prime is 33997632013. The next prime is 33997632043. The reversal of 33997632016 is 61023679933.

It can be written as a sum of positive squares in 2 ways, for example, as 26653827600 + 7343804416 = 163260^2 + 85696^2 .

It is not an unprimeable number, because it can be changed into a prime (33997632013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 368241 + ... + 451216.

Almost surely, 2^33997632016 is an apocalyptic number.

It is an amenable number.

33997632016 is a deficient number, since it is larger than the sum of its proper divisors (31898263596).

33997632016 is a wasteful number, since it uses less digits than its factorization.

33997632016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822058 (or 822052 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 49.

The spelling of 33997632016 in words is "thirty-three billion, nine hundred ninety-seven million, six hundred thirty-two thousand, sixteen".