61696198695 has 16 divisors (see below), whose sum is σ = 100104256512. Its totient is φ = 32441193120.

The previous prime is 61696198693. The next prime is 61696198699. The reversal of 61696198695 is 59689169616.

It is a happy number.

It is not a de Polignac number, because 61696198695 - 2¹ = 61696198693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61696198693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28964287 + ... + 28966416.

It is an arithmetic number, because the mean of its divisors is an integer number (6256516032).

Almost surely, 2^61696198695 is an apocalyptic number.

61696198695 is a deficient number, since it is larger than the sum of its proper divisors (38408057817).

61696198695 is a wasteful number, since it uses less digits than its factorization.

61696198695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57930782.

The product of its digits is 37791360, while the sum is 66.

The spelling of 61696198695 in words is "sixty-one billion, six hundred ninety-six million, one hundred ninety-eight thousand, six hundred ninety-five".