61797444522 has 48 divisors (see below), whose sum is σ = 141758890560. Its totient is φ = 17912297920.

The previous prime is 61797444503. The next prime is 61797444547. The reversal of 61797444522 is 22544479716.

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 23 ways as a sum of consecutive naturals, for example, 1833747 + ... + 1867142.

It is an arithmetic number, because the mean of its divisors is an integer number (2953310220).

Almost surely, 2^61797444522 is an apocalyptic number.

61797444522 is an abundant number, since it is smaller than the sum of its proper divisors (79961446038).

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

61797444522 is a wasteful number, since it uses less digits than its factorization.

61797444522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700939 (or 3700928 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 51.

The spelling of 61797444522 in words is "sixty-one billion, seven hundred ninety-seven million, four hundred forty-four thousand, five hundred twenty-two".