16161746 has 8 divisors (see below), whose sum is σ = 24290544. Its totient is φ = 8064900.

The previous prime is 16161727. The next prime is 16161751. The reversal of 16161746 is 64716161.

It is a happy number.

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

It is a super-2 number, since 2×16161746² = 522404067537032, 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, 6680 + ... + 8771.

It is an arithmetic number, because the mean of its divisors is an integer number (3036318).

Almost surely, 2^16161746 is an apocalyptic number.

16161746 is a deficient number, since it is larger than the sum of its proper divisors (8128798).

16161746 is a wasteful number, since it uses less digits than its factorization.

16161746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15976.

The product of its digits is 6048, while the sum is 32.

The square root of 16161746 is about 4020.1674094495. The cubic root of 16161746 is about 252.8304779689.

The spelling of 16161746 in words is "sixteen million, one hundred sixty-one thousand, seven hundred forty-six".