16670660 has 24 divisors (see below), whose sum is σ = 35085120. Its totient is φ = 6653664.

The previous prime is 16670639. The next prime is 16670663. The reversal of 16670660 is 6607661.

It is not an unprimeable number, because it can be changed into a prime (16670663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17681 + ... + 18599.

It is an arithmetic number, because the mean of its divisors is an integer number (1461880).

Almost surely, 2^16670660 is an apocalyptic number.

16670660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16670660 is an abundant number, since it is smaller than the sum of its proper divisors (18414460).

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

16670660 is a wasteful number, since it uses less digits than its factorization.

16670660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1835 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 16670660 is about 4082.9719567981. The cubic root of 16670660 is about 255.4568766954.

The spelling of 16670660 in words is "sixteen million, six hundred seventy thousand, six hundred sixty".