16670670 has 32 divisors (see below), whose sum is σ = 40943232. Its totient is φ = 4341792.

The previous prime is 16670669. The next prime is 16670677. The reversal of 16670670 is 7607661.

It is a super-2 number, since 2×16670670² = 555822476497800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16670677) 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, 5172 + ... + 7751.

It is an arithmetic number, because the mean of its divisors is an integer number (1279476).

Almost surely, 2^16670670 is an apocalyptic number.

16670670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16670670 is an abundant number, since it is smaller than the sum of its proper divisors (24272562).

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

16670670 is a wasteful number, since it uses less digits than its factorization.

16670670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12976.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 16670670 is about 4082.9731813961. The cubic root of 16670670 is about 255.4569277745.

The spelling of 16670670 in words is "sixteen million, six hundred seventy thousand, six hundred seventy".