16327620 has 36 divisors (see below), whose sum is σ = 49527660. Its totient is φ = 4353984.

The previous prime is 16327603. The next prime is 16327621. The reversal of 16327620 is 2672361.

It is a happy number.

16327620 is a `hidden beast` number, since 1 + 6 + 32 + 7 + 620 = 666.

16327620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10653696 + 5673924 = 3264^2 + 2382^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (16327621) 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, 45175 + ... + 45534.

Almost surely, 2^16327620 is an apocalyptic number.

16327620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16327620 is an abundant number, since it is smaller than the sum of its proper divisors (33200040).

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

16327620 is a wasteful number, since it uses less digits than its factorization.

16327620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90724 (or 90719 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 16327620 is about 4040.7449808173. The cubic root of 16327620 is about 253.6924999338.

Adding to 16327620 its reverse (2672361), we get a palindrome (18999981).

The spelling of 16327620 in words is "sixteen million, three hundred twenty-seven thousand, six hundred twenty".