16969970 has 16 divisors (see below), whose sum is σ = 30595968. Its totient is φ = 6776880.

The previous prime is 16969963. The next prime is 16969991. The reversal of 16969970 is 7996961.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8135 + ... + 10005.

It is an arithmetic number, because the mean of its divisors is an integer number (1912248).

Almost surely, 2^16969970 is an apocalyptic number.

16969970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16969970 is a deficient number, since it is larger than the sum of its proper divisors (13625998).

16969970 is a wasteful number, since it uses less digits than its factorization.

16969970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 16969970 is about 4119.4623435589. The cubic root of 16969970 is about 256.9766667184.

The spelling of 16969970 in words is "sixteen million, nine hundred sixty-nine thousand, nine hundred seventy".