16269641 has 4 divisors (see below), whose sum is σ = 16367232. Its totient is φ = 16172052.

The previous prime is 16269623. The next prime is 16269647. The reversal of 16269641 is 14696261.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16269641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16269647) 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, 48545 + ... + 48878.

It is an arithmetic number, because the mean of its divisors is an integer number (4091808).

Almost surely, 2^16269641 is an apocalyptic number.

It is an amenable number.

16269641 is a deficient number, since it is larger than the sum of its proper divisors (97591).

16269641 is an equidigital number, since it uses as much as digits as its factorization.

16269641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97590.

The product of its digits is 15552, while the sum is 35.

The square root of 16269641 is about 4033.5643046814. The cubic root of 16269641 is about 253.3918584006.

The spelling of 16269641 in words is "sixteen million, two hundred sixty-nine thousand, six hundred forty-one".