61364221024 has 48 divisors (see below), whose sum is σ = 121748175360. Its totient is φ = 30444301440.

The previous prime is 61364220947. The next prime is 61364221063. The reversal of 61364221024 is 42012246316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12411897 + ... + 12416839.

It is an arithmetic number, because the mean of its divisors is an integer number (2536420320).

Almost surely, 2^61364221024 is an apocalyptic number.

It is an amenable number.

61364221024 is a deficient number, since it is larger than the sum of its proper divisors (60383954336).

61364221024 is a wasteful number, since it uses less digits than its factorization.

61364221024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7883 (or 7875 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 61364221024 in words is "sixty-one billion, three hundred sixty-four million, two hundred twenty-one thousand, twenty-four".