61631030172422 has 16 divisors (see below), whose sum is σ = 92570940962352. Its totient is φ = 30774055715040.

The previous prime is 61631030172421. The next prime is 61631030172433. The reversal of 61631030172422 is 22427103013616.

It is a super-2 number, since 2×61631030172422² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61631030172421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19665908 + ... + 22583400.

It is an arithmetic number, because the mean of its divisors is an integer number (5785683810147).

Almost surely, 2^{61631030172422} is an apocalyptic number.

61631030172422 is a deficient number, since it is larger than the sum of its proper divisors (30939910789930).

61631030172422 is a wasteful number, since it uses less digits than its factorization.

61631030172422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931703.

The product of its (nonzero) digits is 72576, while the sum is 38.

The spelling of 61631030172422 in words is "sixty-one trillion, six hundred thirty-one billion, thirty million, one hundred seventy-two thousand, four hundred twenty-two".