16925161 has 8 divisors (see below), whose sum is σ = 18547200. Its totient is φ = 15317040.

The previous prime is 16925159. The next prime is 16925173. The reversal of 16925161 is 16152961.

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

It is a cyclic number.

It is not a de Polignac number, because 16925161 - 2¹ = 16925159 is a prime.

It is a super-2 number, since 2×16925161² = 572922149751842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16925191) 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, 841 + ... + 5878.

It is an arithmetic number, because the mean of its divisors is an integer number (2318400).

Almost surely, 2^16925161 is an apocalyptic number.

16925161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16925161 is a deficient number, since it is larger than the sum of its proper divisors (1622039).

16925161 is a wasteful number, since it uses less digits than its factorization.

16925161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959.

The product of its digits is 3240, while the sum is 31.

The square root of 16925161 is about 4114.0200534271. The cubic root of 16925161 is about 256.7502860921.

The spelling of 16925161 in words is "sixteen million, nine hundred twenty-five thousand, one hundred sixty-one".