101685696 has 56 divisors (see below), whose sum is σ = 307482240. Its totient is φ = 29052672.

The previous prime is 101685679. The next prime is 101685697. The reversal of 101685696 is 696586101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101685697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36486 + ... + 39173.

Almost surely, 2^101685696 is an apocalyptic number.

101685696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

101685696 is an abundant number, since it is smaller than the sum of its proper divisors (205796544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101685696 is an equidigital number, since it uses as much as digits as its factorization.

101685696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75681 (or 75671 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 101685696 is about 10083.9325662164. The cubic root of 101685696 is about 466.7524667637.

It can be divided in two parts, 101 and 685696, that multiplied together give a palindrome (69255296).

The spelling of 101685696 in words is "one hundred one million, six hundred eighty-five thousand, six hundred ninety-six".