16296681 has 4 divisors (see below), whose sum is σ = 21728912. Its totient is φ = 10864452.

The previous prime is 16296671. The next prime is 16296689. The reversal of 16296681 is 18669261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16296681 - 2¹⁷ = 16165609 is a prime.

It is a super-2 number, since 2×16296681² = 531163623231522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16296689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2716111 + ... + 2716116.

It is an arithmetic number, because the mean of its divisors is an integer number (5432228).

Almost surely, 2^16296681 is an apocalyptic number.

It is an amenable number.

16296681 is a deficient number, since it is larger than the sum of its proper divisors (5432231).

16296681 is an equidigital number, since it uses as much as digits as its factorization.

16296681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5432230.

The product of its digits is 31104, while the sum is 39.

The square root of 16296681 is about 4036.9147873097. The cubic root of 16296681 is about 253.5321590486.

The spelling of 16296681 in words is "sixteen million, two hundred ninety-six thousand, six hundred eighty-one".