33061440164 has 12 divisors (see below), whose sum is σ = 57862736988. Its totient is φ = 16529229600.

The previous prime is 33061440163. The next prime is 33061440173. The reversal of 33061440164 is 46104416033.

It can be written as a sum of positive squares in 2 ways, for example, as 23345395264 + 9716044900 = 152792^2 + 98570^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 33061440164.

It is not an unprimeable number, because it can be changed into a prime (33061440161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321947 + ... + 412034.

It is an arithmetic number, because the mean of its divisors is an integer number (4821894749).

Almost surely, 2^33061440164 is an apocalyptic number.

It is an amenable number.

33061440164 is a deficient number, since it is larger than the sum of its proper divisors (24801296824).

33061440164 is a wasteful number, since it uses less digits than its factorization.

33061440164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745246 (or 745244 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 33061440164 its reverse (46104416033), we get a palindrome (79165856197).

The spelling of 33061440164 in words is "thirty-three billion, sixty-one million, four hundred forty thousand, one hundred sixty-four".