101660620 has 12 divisors (see below), whose sum is σ = 213487344. Its totient is φ = 40664240.

The previous prime is 101660591. The next prime is 101660623. The reversal of 101660620 is 26066101.

It is a junction number, because it is equal to n+sod(n) for n = 101660591 and 101660600.

It is not an unprimeable number, because it can be changed into a prime (101660623) 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, 2541496 + ... + 2541535.

It is an arithmetic number, because the mean of its divisors is an integer number (17790612).

Almost surely, 2^101660620 is an apocalyptic number.

101660620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101660620 is an abundant number, since it is smaller than the sum of its proper divisors (111826724).

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

101660620 is a wasteful number, since it uses less digits than its factorization.

101660620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083040 (or 5083038 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 101660620 is about 10082.6891254268. The cubic root of 101660620 is about 466.7140960864.

The spelling of 101660620 in words is "one hundred one million, six hundred sixty thousand, six hundred twenty".