61722283386 has 16 divisors (see below), whose sum is σ = 126455410368. Its totient is φ = 20072287200.

The previous prime is 61722283373. The next prime is 61722283393. The reversal of 61722283386 is 68338222716.

It is a happy number.

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, 125451550 + ... + 125452041.

It is an arithmetic number, because the mean of its divisors is an integer number (7903463148).

Almost surely, 2^61722283386 is an apocalyptic number.

61722283386 is an abundant number, since it is smaller than the sum of its proper divisors (64733126982).

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

61722283386 is a wasteful number, since it uses less digits than its factorization.

61722283386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250903637.

The product of its digits is 1161216, while the sum is 48.

The spelling of 61722283386 in words is "sixty-one billion, seven hundred twenty-two million, two hundred eighty-three thousand, three hundred eighty-six".