101695778656 has 24 divisors (see below), whose sum is σ = 200865745080. Its totient is φ = 50682256128.

The previous prime is 101695778629. The next prime is 101695778689. The reversal of 101695778656 is 656877596101.

It is a junction number, because it is equal to n+sod(n) for n = 101695778594 and 101695778603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5166061 + ... + 5185708.

It is an arithmetic number, because the mean of its divisors is an integer number (8369406045).

Almost surely, 2^101695778656 is an apocalyptic number.

101695778656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101695778656 is a deficient number, since it is larger than the sum of its proper divisors (99169966424).

101695778656 is a wasteful number, since it uses less digits than its factorization.

101695778656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10352086 (or 10352078 counting only the distinct ones).

The product of its (nonzero) digits is 19051200, while the sum is 61.

The spelling of 101695778656 in words is "one hundred one billion, six hundred ninety-five million, seven hundred seventy-eight thousand, six hundred fifty-six".