101943660 has 96 divisors (see below), whose sum is σ = 351332352. Its totient is φ = 21507840.

The previous prime is 101943641. The next prime is 101943661. The reversal of 101943660 is 66349101.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (101943661) 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, 3876 + ... + 14795.

It is an arithmetic number, because the mean of its divisors is an integer number (3659712).

Almost surely, 2^101943660 is an apocalyptic number.

101943660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101943660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175666176).

101943660 is an abundant number, since it is smaller than the sum of its proper divisors (249388692).

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

101943660 is a wasteful number, since it uses less digits than its factorization.

101943660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18703 (or 18701 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 101943660 is about 10096.7153074651. The cubic root of 101943660 is about 467.1468311746.

The spelling of 101943660 in words is "one hundred one million, nine hundred forty-three thousand, six hundred sixty".