16523352 has 80 divisors (see below), whose sum is σ = 47436840. Its totient is φ = 5370624.

The previous prime is 16523329. The next prime is 16523383. The reversal of 16523352 is 25332561.

16523352 is a `hidden beast` number, since 1 + 652 + 3 + 3 + 5 + 2 = 666.

It is a super-2 number, since 2×16523352² = 546042322631808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27568 + ... + 28160.

Almost surely, 2^16523352 is an apocalyptic number.

16523352 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 16523352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23718420).

16523352 is an abundant number, since it is smaller than the sum of its proper divisors (30913488).

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

16523352 is a wasteful number, since it uses less digits than its factorization.

16523352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 641 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 16523352 is about 4064.8926185079. The cubic root of 16523352 is about 254.7022129355.

The spelling of 16523352 in words is "sixteen million, five hundred twenty-three thousand, three hundred fifty-two".