16700642 has 8 divisors (see below), whose sum is σ = 28629696. Its totient is φ = 7157412.

The previous prime is 16700623. The next prime is 16700669. The reversal of 16700642 is 24600761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×16700642² = 557822886424328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596438 + ... + 596465.

It is an arithmetic number, because the mean of its divisors is an integer number (3578712).

Almost surely, 2^16700642 is an apocalyptic number.

16700642 is a deficient number, since it is larger than the sum of its proper divisors (11929054).

16700642 is a wasteful number, since it uses less digits than its factorization.

16700642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192912.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 16700642 is about 4086.6418976955. The cubic root of 16700642 is about 255.6099304447.

The spelling of 16700642 in words is "sixteen million, seven hundred thousand, six hundred forty-two".