33531601064 has 16 divisors (see below), whose sum is σ = 67708040820. Its totient is φ = 15476123520.

The previous prime is 33531601063. The next prime is 33531601067. The reversal of 33531601064 is 46010613533.

It can be written as a sum of positive squares in 2 ways, for example, as 33181536964 + 350064100 = 182158^2 + 18710^2 .

It is a super-2 number, since 2×33531601064² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33531601064.

It is not an unprimeable number, because it can be changed into a prime (33531601063) 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, 161209517 + ... + 161209724.

Almost surely, 2^33531601064 is an apocalyptic number.

It is an amenable number.

33531601064 is an abundant number, since it is smaller than the sum of its proper divisors (34176439756).

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

33531601064 is a wasteful number, since it uses less digits than its factorization.

33531601064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322419260 (or 322419256 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 33531601064 in words is "thirty-three billion, five hundred thirty-one million, six hundred one thousand, sixty-four".