16497572 has 48 divisors (see below), whose sum is σ = 36164352. Its totient is φ = 6410880.

The previous prime is 16497557. The next prime is 16497577. The reversal of 16497572 is 27579461.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16497577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21833 + ... + 22575.

It is an arithmetic number, because the mean of its divisors is an integer number (753424).

Almost surely, 2^16497572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16497572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18082176).

16497572 is an abundant number, since it is smaller than the sum of its proper divisors (19666780).

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

16497572 is a wasteful number, since it uses less digits than its factorization.

16497572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828 (or 826 counting only the distinct ones).

The product of its digits is 105840, while the sum is 41.

The square root of 16497572 is about 4061.7203251824. The cubic root of 16497572 is about 254.5696804865.

The spelling of 16497572 in words is "sixteen million, four hundred ninety-seven thousand, five hundred seventy-two".