101660412 has 48 divisors (see below), whose sum is σ = 285367040. Its totient is φ = 27516672.

The previous prime is 101660411. The next prime is 101660441. The reversal of 101660412 is 214066101.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101660411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30253 + ... + 33444.

Almost surely, 2^101660412 is an apocalyptic number.

101660412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101660412 is an abundant number, since it is smaller than the sum of its proper divisors (183706628).

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

101660412 is a wasteful number, since it uses less digits than its factorization.

101660412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63730 (or 63728 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 101660412 is about 10082.6788107130. The cubic root of 101660412 is about 466.7137777835.

The spelling of 101660412 in words is "one hundred one million, six hundred sixty thousand, four hundred twelve".