101660608 has 56 divisors (see below), whose sum is σ = 236821472. Its totient is φ = 42384384.

The previous prime is 101660591. The next prime is 101660623. The reversal of 101660608 is 806066101.

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 (28).

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 7 ways as a sum of consecutive naturals, for example, 13510 + ... + 19642.

Almost surely, 2^101660608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101660608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118410736).

101660608 is an abundant number, since it is smaller than the sum of its proper divisors (135160864).

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

101660608 is an equidigital number, since it uses as much as digits as its factorization.

101660608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189 (or 6179 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 101660608 is about 10082.6885303474. The cubic root of 101660608 is about 466.7140777228.

The spelling of 101660608 in words is "one hundred one million, six hundred sixty thousand, six hundred eight".