101666604 has 96 divisors (see below), whose sum is σ = 264854016. Its totient is φ = 30159360.

The previous prime is 101666603. The next prime is 101666623. The reversal of 101666604 is 406666101.

It is not an unprimeable number, because it can be changed into a prime (101666603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 742024 + ... + 742160.

It is an arithmetic number, because the mean of its divisors is an integer number (2758896).

Almost surely, 2^101666604 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 101666604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132427008).

101666604 is an abundant number, since it is smaller than the sum of its proper divisors (163187412).

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

101666604 is a wasteful number, since it uses less digits than its factorization.

101666604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 101666604 is about 10082.9858672915. The cubic root of 101666604 is about 466.7232532289.

The spelling of 101666604 in words is "one hundred one million, six hundred sixty-six thousand, six hundred four".