61745603322 has 64 divisors (see below), whose sum is σ = 133600731264. Its totient is φ = 18911696640.

The previous prime is 61745603317. The next prime is 61745603347. The reversal of 61745603322 is 22330654716.

It is a Harshad number since it is a multiple of its sum of digits (39).

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 31 ways as a sum of consecutive naturals, for example, 16790548 + ... + 16794224.

It is an arithmetic number, because the mean of its divisors is an integer number (2087511426).

Almost surely, 2^61745603322 is an apocalyptic number.

61745603322 is an abundant number, since it is smaller than the sum of its proper divisors (71855127942).

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

61745603322 is a wasteful number, since it uses less digits than its factorization.

61745603322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4623.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 61745603322 in words is "sixty-one billion, seven hundred forty-five million, six hundred three thousand, three hundred twenty-two".