16445952 has 120 divisors (see below), whose sum is σ = 49153104. Its totient is φ = 5289984.

The previous prime is 16445893. The next prime is 16445969. The reversal of 16445952 is 25954461.

16445952 is a `hidden beast` number, since 1 + 64 + 4 + 595 + 2 = 666.

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

Its product of digits (43200) is a multiple of the sum of its prime factors (150).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198103 + ... + 198185.

Almost surely, 2^16445952 is an apocalyptic number.

16445952 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 16445952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24576552).

16445952 is an abundant number, since it is smaller than the sum of its proper divisors (32707152).

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

16445952 is an equidigital number, since it uses as much as digits as its factorization.

16445952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 131 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 16445952 is about 4055.3608963938. The cubic root of 16445952 is about 254.3038915472.

The spelling of 16445952 in words is "sixteen million, four hundred forty-five thousand, nine hundred fifty-two".