16680070 has 16 divisors (see below), whose sum is σ = 32753808. Its totient is φ = 6065440.

The previous prime is 16680061. The next prime is 16680089. The reversal of 16680070 is 7008661.

16680070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75709 + ... + 75928.

It is an arithmetic number, because the mean of its divisors is an integer number (2047113).

Almost surely, 2^16680070 is an apocalyptic number.

16680070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16680070 is a deficient number, since it is larger than the sum of its proper divisors (16073738).

16680070 is a wasteful number, since it uses less digits than its factorization.

16680070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151655.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 16680070 is about 4084.1241411103. The cubic root of 16680070 is about 255.5049331222.

It can be divided in two parts, 16 and 680070, that added together give a palindrome (680086).

The spelling of 16680070 in words is "sixteen million, six hundred eighty thousand, seventy".