16161671 has 8 divisors (see below), whose sum is σ = 16816800. Its totient is φ = 15513120.

The previous prime is 16161653. The next prime is 16161727. The reversal of 16161671 is 17616161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16161671 is a prime.

It is a super-2 number, since 2×16161671² = 522399219024482, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16161631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3710 + ... + 6788.

It is an arithmetic number, because the mean of its divisors is an integer number (2102100).

Almost surely, 2^16161671 is an apocalyptic number.

16161671 is a deficient number, since it is larger than the sum of its proper divisors (655129).

16161671 is a wasteful number, since it uses less digits than its factorization.

16161671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3289.

The product of its digits is 1512, while the sum is 29.

The square root of 16161671 is about 4020.1580814689. The cubic root of 16161671 is about 252.8300868743.

The spelling of 16161671 in words is "sixteen million, one hundred sixty-one thousand, six hundred seventy-one".