61696802186 has 8 divisors (see below), whose sum is σ = 97989038820. Its totient is φ = 29033789248.

The previous prime is 61696802183. The next prime is 61696802197. The reversal of 61696802186 is 68120869616.

It can be written as a sum of positive squares in 2 ways, for example, as 61690140625 + 6661561 = 248375^2 + 2581^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (61696802183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 907305881 + ... + 907305948.

Almost surely, 2^61696802186 is an apocalyptic number.

61696802186 is a deficient number, since it is larger than the sum of its proper divisors (36292236634).

61696802186 is a wasteful number, since it uses less digits than its factorization.

61696802186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814611848.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 61696802186 in words is "sixty-one billion, six hundred ninety-six million, eight hundred two thousand, one hundred eighty-six".