61177421422 has 16 divisors (see below), whose sum is σ = 99174282480. Its totient is φ = 28135956672.

The previous prime is 61177421369. The next prime is 61177421507. The reversal of 61177421422 is 22412477116.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4149847 + ... + 4164562.

It is an arithmetic number, because the mean of its divisors is an integer number (6198392655).

Almost surely, 2^61177421422 is an apocalyptic number.

61177421422 is a deficient number, since it is larger than the sum of its proper divisors (37996861058).

61177421422 is a wasteful number, since it uses less digits than its factorization.

61177421422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8314707.

The product of its digits is 37632, while the sum is 37.

Adding to 61177421422 its reverse (22412477116), we get a palindrome (83589898538).

The spelling of 61177421422 in words is "sixty-one billion, one hundred seventy-seven million, four hundred twenty-one thousand, four hundred twenty-two".