16331130 has 24 divisors (see below), whose sum is σ = 42461172. Its totient is φ = 4354944.

The previous prime is 16331123. The next prime is 16331131. The reversal of 16331130 is 3113361.

16331130 is a `hidden beast` number, since 1 + 633 + 1 + 1 + 30 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15515721 + 815409 = 3939^2 + 903^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16331131) 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, 90639 + ... + 90818.

Almost surely, 2^16331130 is an apocalyptic number.

16331130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16331130 is an abundant number, since it is smaller than the sum of its proper divisors (26130042).

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

16331130 is a wasteful number, since it uses less digits than its factorization.

16331130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181470 (or 181467 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 16331130 is about 4041.1792833281. The cubic root of 16331130 is about 253.7106776570.

Adding to 16331130 its reverse (3113361), we get a palindrome (19444491).

It can be divided in two parts, 16331 and 130, that added together give a palindrome (16461).

The spelling of 16331130 in words is "sixteen million, three hundred thirty-one thousand, one hundred thirty".