61323866845632 has 140 divisors (see below), whose sum is σ = 182162665270080. Its totient is φ = 20398613197824.

The previous prime is 61323866845621. The next prime is 61323866845639. The reversal of 61323866845632 is 23654866832316.

61323866845632 is a `hidden beast` number, since 6 + 1 + 3 + 2 + 3 + 8 + 6 + 68 + 4 + 563 + 2 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61323866845632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61323866845639) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9864933 + ... + 14831204.

Almost surely, 2^{61323866845632} is an apocalyptic number.

It is an amenable number.

61323866845632 is an abundant number, since it is smaller than the sum of its proper divisors (120838798424448).

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

61323866845632 is a wasteful number, since it uses less digits than its factorization.

61323866845632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696640 (or 24696621 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 63.

The spelling of 61323866845632 in words is "sixty-one trillion, three hundred twenty-three billion, eight hundred sixty-six million, eight hundred forty-five thousand, six hundred thirty-two".