16945970 has 16 divisors (see below), whose sum is σ = 30551040. Its totient is φ = 6767664.

The previous prime is 16945961. The next prime is 16946021. The reversal of 16945970 is 7954961.

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, 9359 + ... + 11021.

It is an arithmetic number, because the mean of its divisors is an integer number (1909440).

Almost surely, 2^16945970 is an apocalyptic number.

16945970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16945970 is a deficient number, since it is larger than the sum of its proper divisors (13605070).

16945970 is a wasteful number, since it uses less digits than its factorization.

16945970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2689.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 16945970 is about 4116.5483113890. The cubic root of 16945970 is about 256.8554653698.

The spelling of 16945970 in words is "sixteen million, nine hundred forty-five thousand, nine hundred seventy".