33205770368 has 16 divisors (see below), whose sum is σ = 66152120910. Its totient is φ = 16602885120.

The previous prime is 33205770359. The next prime is 33205770379. The reversal of 33205770368 is 86307750233.

It can be written as a sum of positive squares in only one way, i.e., 23960563264 + 9245207104 = 154792^2 + 96152^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×33205770368² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129709913 + ... + 129710168.

Almost surely, 2^33205770368 is an apocalyptic number.

It is an amenable number.

33205770368 is a deficient number, since it is larger than the sum of its proper divisors (32946350542).

33205770368 is an equidigital number, since it uses as much as digits as its factorization.

33205770368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259420095 (or 259420083 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 44.

The spelling of 33205770368 in words is "thirty-three billion, two hundred five million, seven hundred seventy thousand, three hundred sixty-eight".