61516264506424 has 32 divisors (see below), whose sum is σ = 141960610401120. Its totient is φ = 24336104639616.

The previous prime is 61516264506377. The next prime is 61516264506427. The reversal of 61516264506424 is 42460546261516.

61516264506424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61516264506427) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 42250180939 + ... + 42250182394.

It is an arithmetic number, because the mean of its divisors is an integer number (4436269075035).

Almost surely, 2^{61516264506424} is an apocalyptic number.

It is an amenable number.

61516264506424 is an abundant number, since it is smaller than the sum of its proper divisors (80444345894696).

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

61516264506424 is a wasteful number, since it uses less digits than its factorization.

61516264506424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84500363359 (or 84500363355 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 61516264506424 in words is "sixty-one trillion, five hundred sixteen billion, two hundred sixty-four million, five hundred six thousand, four hundred twenty-four".