61620022344 has 32 divisors (see below), whose sum is σ = 154059916320. Its totient is φ = 20538692736.

The previous prime is 61620022327. The next prime is 61620022351. The reversal of 61620022344 is 44322002616.

61620022344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346164 + ... + 493020.

It is an arithmetic number, because the mean of its divisors is an integer number (4814372385).

Almost surely, 2^61620022344 is an apocalyptic number.

It is an amenable number.

61620022344 is an abundant number, since it is smaller than the sum of its proper divisors (92439893976).

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

61620022344 is a wasteful number, since it uses less digits than its factorization.

61620022344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164349 (or 164345 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 61620022344 in words is "sixty-one billion, six hundred twenty million, twenty-two thousand, three hundred forty-four".