61243124764 has 24 divisors (see below), whose sum is σ = 113870655360. Its totient is φ = 28738776816.

The previous prime is 61243124753. The next prime is 61243124777. The reversal of 61243124764 is 46742134216.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3757432 + ... + 3773695.

It is an arithmetic number, because the mean of its divisors is an integer number (4744610640).

Almost surely, 2^61243124764 is an apocalyptic number.

It is an amenable number.

61243124764 is a deficient number, since it is larger than the sum of its proper divisors (52627530596).

61243124764 is a wasteful number, since it uses less digits than its factorization.

61243124764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531257 (or 7531255 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The spelling of 61243124764 in words is "sixty-one billion, two hundred forty-three million, one hundred twenty-four thousand, seven hundred sixty-four".