61641525322 has 32 divisors (see below), whose sum is σ = 101730674304. Its totient is φ = 27839592000.

The previous prime is 61641525299. The next prime is 61641525431. The reversal of 61641525322 is 22352514616.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145872 + ... + 380212.

It is an arithmetic number, because the mean of its divisors is an integer number (3179083572).

Almost surely, 2^61641525322 is an apocalyptic number.

61641525322 is a deficient number, since it is larger than the sum of its proper divisors (40089148982).

61641525322 is a wasteful number, since it uses less digits than its factorization.

61641525322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234574.

The product of its digits is 86400, while the sum is 37.

The spelling of 61641525322 in words is "sixty-one billion, six hundred forty-one million, five hundred twenty-five thousand, three hundred twenty-two".