61117161695 has 16 divisors (see below), whose sum is σ = 76031384832. Its totient is φ = 47113409280.

The previous prime is 61117161691. The next prime is 61117161719. The reversal of 61117161695 is 59616171116.

It is not a de Polignac number, because 61117161695 - 2² = 61117161691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61117161691) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 810032 + ... + 882261.

It is an arithmetic number, because the mean of its divisors is an integer number (4751961552).

Almost surely, 2^61117161695 is an apocalyptic number.

61117161695 is a deficient number, since it is larger than the sum of its proper divisors (14914223137).

61117161695 is a wasteful number, since it uses less digits than its factorization.

61117161695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692562.

The product of its digits is 68040, while the sum is 44.

The spelling of 61117161695 in words is "sixty-one billion, one hundred seventeen million, one hundred sixty-one thousand, six hundred ninety-five".