16161706 has 16 divisors (see below), whose sum is σ = 26882208. Its totient is φ = 7225200.

The previous prime is 16161653. The next prime is 16161727. The reversal of 16161706 is 60716161.

It is a super-2 number, since 2×16161706² = 522401481660872, which contains 22 as substring.

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, 4680 + ... + 7363.

It is an arithmetic number, because the mean of its divisors is an integer number (1680138).

Almost surely, 2^16161706 is an apocalyptic number.

16161706 is a deficient number, since it is larger than the sum of its proper divisors (10720502).

16161706 is a wasteful number, since it uses less digits than its factorization.

16161706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12117.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16161706 is about 4020.1624345292. The cubic root of 16161706 is about 252.8302693853.

Adding to 16161706 its reverse (60716161), we get a palindrome (76877867).

The spelling of 16161706 in words is "sixteen million, one hundred sixty-one thousand, seven hundred six".