101685560 has 16 divisors (see below), whose sum is σ = 228792600. Its totient is φ = 40674208.

The previous prime is 101685559. The next prime is 101685593. The reversal of 101685560 is 65586101.

It is a happy number.

It is a super-2 number, since 2×101685560² = 20679906225027200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271030 + ... + 1271109.

Almost surely, 2^101685560 is an apocalyptic number.

101685560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101685560 is an abundant number, since it is smaller than the sum of its proper divisors (127107040).

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

101685560 is a wasteful number, since it uses less digits than its factorization.

101685560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542150 (or 2542146 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 101685560 is about 10083.9258228133. The cubic root of 101685560 is about 466.7522586769.

The spelling of 101685560 in words is "one hundred one million, six hundred eighty-five thousand, five hundred sixty".