16930081 has 8 divisors (see below), whose sum is σ = 19405440. Its totient is φ = 14468928.

The previous prime is 16930073. The next prime is 16930103. The reversal of 16930081 is 18003961.

It is a happy number.

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 16930081 - 2³ = 16930073 is a prime.

It is a super-2 number, since 2×16930081² = 573255285333122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (16931081) 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, 856 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (2425680).

Almost surely, 2^16930081 is an apocalyptic number.

It is an amenable number.

16930081 is a deficient number, since it is larger than the sum of its proper divisors (2475359).

16930081 is an equidigital number, since it uses as much as digits as its factorization.

16930081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 16930081 is about 4114.6179652551. The cubic root of 16930081 is about 256.7751620549.

The spelling of 16930081 in words is "sixteen million, nine hundred thirty thousand, eighty-one".