61264540338684 has 96 divisors (see below), whose sum is σ = 147136385825856. Its totient is φ = 19825998151680.

The previous prime is 61264540338679. The next prime is 61264540338713. The reversal of 61264540338684 is 48683304546216.

61264540338684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 566890014 + ... + 566998074.

It is an arithmetic number, because the mean of its divisors is an integer number (1532670685686).

Almost surely, 2^{61264540338684} is an apocalyptic number.

It is an amenable number.

61264540338684 is an abundant number, since it is smaller than the sum of its proper divisors (85871845487172).

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

61264540338684 is a wasteful number, since it uses less digits than its factorization.

61264540338684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110895 (or 110893 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 60.

The spelling of 61264540338684 in words is "sixty-one trillion, two hundred sixty-four billion, five hundred forty million, three hundred thirty-eight thousand, six hundred eighty-four".