16536492 has 72 divisors (see below), whose sum is σ = 48152832. Its totient is φ = 4687200.

The previous prime is 16536491. The next prime is 16536497. The reversal of 16536492 is 29463561.

It is a happy number.

16536492 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 649 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (16536491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53017 + ... + 53327.

Almost surely, 2^16536492 is an apocalyptic number.

16536492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16536492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24076416).

16536492 is an abundant number, since it is smaller than the sum of its proper divisors (31616340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16536492 is a wasteful number, since it uses less digits than its factorization.

16536492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 534 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 16536492 is about 4066.5085761621. The cubic root of 16536492 is about 254.7697113524.

The spelling of 16536492 in words is "sixteen million, five hundred thirty-six thousand, four hundred ninety-two".