16495641 has 12 divisors (see below), whose sum is σ = 23988900. Its totient is φ = 10922400.

The previous prime is 16495639. The next prime is 16495657. The reversal of 16495641 is 14659461.

16495641 is a `hidden beast` number, since 1 + 6 + 4 + 9 + 5 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3686400 + 12809241 = 1920^2 + 3579^2 .

It is not a de Polignac number, because 16495641 - 2¹ = 16495639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16495596 and 16495605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16495621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4810 + ... + 7491.

It is an arithmetic number, because the mean of its divisors is an integer number (1999075).

Almost surely, 2^16495641 is an apocalyptic number.

It is an amenable number.

16495641 is a deficient number, since it is larger than the sum of its proper divisors (7493259).

16495641 is a wasteful number, since it uses less digits than its factorization.

16495641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12456 (or 12453 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 16495641 is about 4061.4826110670. The cubic root of 16495641 is about 254.5597478484.

The spelling of 16495641 in words is "sixteen million, four hundred ninety-five thousand, six hundred forty-one".