16387670 has 32 divisors (see below), whose sum is σ = 32635008. Its totient is φ = 5885568.

The previous prime is 16387669. The next prime is 16387691. The reversal of 16387670 is 7678361.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3107 + ... + 6513.

It is an arithmetic number, because the mean of its divisors is an integer number (1019844).

Almost surely, 2^16387670 is an apocalyptic number.

16387670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16387670 is a deficient number, since it is larger than the sum of its proper divisors (16247338).

16387670 is a wasteful number, since it uses less digits than its factorization.

16387670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 16387670 is about 4048.1687217803. The cubic root of 16387670 is about 254.0031309677.

The spelling of 16387670 in words is "sixteen million, three hundred eighty-seven thousand, six hundred seventy".