33640464016 has 10 divisors (see below), whose sum is σ = 65178399062. Its totient is φ = 16820232000.

The previous prime is 33640463999. The next prime is 33640464017. The reversal of 33640464016 is 61046404633.

It can be written as a sum of positive squares in only one way, i.e., 30276000000 + 3364464016 = 174000^2 + 58004^2 .

It is a super-2 number, since 2×33640464016² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33640464017) 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 as a sum of consecutive naturals, namely, 1051264485 + ... + 1051264516.

Almost surely, 2^33640464016 is an apocalyptic number.

It is an amenable number.

33640464016 is a deficient number, since it is larger than the sum of its proper divisors (31537935046).

33640464016 is a wasteful number, since it uses less digits than its factorization.

33640464016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102529009 (or 2102529003 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 33640464016 its reverse (61046404633), we get a palindrome (94686868649).

The spelling of 33640464016 in words is "thirty-three billion, six hundred forty million, four hundred sixty-four thousand, sixteen".