61623036530464 has 24 divisors (see below), whose sum is σ = 128456844533388. Its totient is φ = 28999076014080.

The previous prime is 61623036530453. The next prime is 61623036530491. The reversal of 61623036530464 is 46403563032616.

61623036530464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 61092044499600 + 530992030864 = 7816140^2 + 728692^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56638819797 + ... + 56638820884.

Almost surely, 2^{61623036530464} is an apocalyptic number.

It is an amenable number.

61623036530464 is an abundant number, since it is smaller than the sum of its proper divisors (66833808002924).

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

61623036530464 is a wasteful number, since it uses less digits than its factorization.

61623036530464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113277640708 (or 113277640700 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 49.

The spelling of 61623036530464 in words is "sixty-one trillion, six hundred twenty-three billion, thirty-six million, five hundred thirty thousand, four hundred sixty-four".