6660136 has 16 divisors (see below), whose sum is σ = 14271840. Its totient is φ = 2854320.

The previous prime is 6660119. The next prime is 6660161. The reversal of 6660136 is 6310666.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59410 + ... + 59521.

It is an arithmetic number, because the mean of its divisors is an integer number (891990).

Almost surely, 2^6660136 is an apocalyptic number.

It is an amenable number.

6660136 is an abundant number, since it is smaller than the sum of its proper divisors (7611704).

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

6660136 is a wasteful number, since it uses less digits than its factorization.

6660136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118944 (or 118940 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 6660136 is about 2580.7239294431. The cubic root of 6660136 is about 188.1457297716.

The spelling of 6660136 in words is "six million, six hundred sixty thousand, one hundred thirty-six".