61648539988022 has 16 divisors (see below), whose sum is σ = 101465086136400. Its totient is φ = 27916319993952.

The previous prime is 61648539988003. The next prime is 61648539988031. The reversal of 61648539988022 is 22088993584616.

It is a congruent 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, 22368844772 + ... + 22368847527.

It is an arithmetic number, because the mean of its divisors is an integer number (6341567883525).

Almost surely, 2^{61648539988022} is an apocalyptic number.

61648539988022 is a deficient number, since it is larger than the sum of its proper divisors (39816546148378).

61648539988022 is a wasteful number, since it uses less digits than its factorization.

61648539988022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44737692367.

The product of its (nonzero) digits is 358318080, while the sum is 71.

The spelling of 61648539988022 in words is "sixty-one trillion, six hundred forty-eight billion, five hundred thirty-nine million, nine hundred eighty-eight thousand, twenty-two".