61913466169874 has 24 divisors (see below), whose sum is σ = 105600483063180. Its totient is φ = 27172054115360.

The previous prime is 61913466169871. The next prime is 61913466169921. The reversal of 61913466169874 is 47896166431916.

It can be written as a sum of positive squares in 2 ways, for example, as 61912395244249 + 1070925625 = 7868443^2 + 32725^2 .

It is a junction number, because it is equal to n+sod(n) for n = 61913466169798 and 61913466169807.

It is not an unprimeable number, because it can be changed into a prime (61913466169871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4411040729 + ... + 4411054764.

Almost surely, 2^{61913466169874} is an apocalyptic number.

61913466169874 is a deficient number, since it is larger than the sum of its proper divisors (43687016893306).

61913466169874 is a wasteful number, since it uses less digits than its factorization.

61913466169874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822095546 (or 8822095535 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 71.

The spelling of 61913466169874 in words is "sixty-one trillion, nine hundred thirteen billion, four hundred sixty-six million, one hundred sixty-nine thousand, eight hundred seventy-four".