61722833380 has 48 divisors (see below), whose sum is σ = 139653904320. Its totient is φ = 22779301248.

The previous prime is 61722833353. The next prime is 61722833383. The reversal of 61722833380 is 8333822716.

It is not an unprimeable number, because it can be changed into a prime (61722833383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512067 + ... + 621013.

It is an arithmetic number, because the mean of its divisors is an integer number (2909456340).

Almost surely, 2^61722833380 is an apocalyptic number.

It is an amenable number.

61722833380 is an abundant number, since it is smaller than the sum of its proper divisors (77931070940).

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

61722833380 is a wasteful number, since it uses less digits than its factorization.

61722833380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111148 (or 111146 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 61722833380 in words is "sixty-one billion, seven hundred twenty-two million, eight hundred thirty-three thousand, three hundred eighty".