16461330 has 32 divisors (see below), whose sum is σ = 41226624. Its totient is φ = 4198656.

The previous prime is 16461317. The next prime is 16461331. The reversal of 16461330 is 3316461.

It is a self number, because there is not a number n which added to its sum of digits gives 16461330.

It is not an unprimeable number, because it can be changed into a prime (16461331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11239 + ... + 12618.

It is an arithmetic number, because the mean of its divisors is an integer number (1288332).

Almost surely, 2^16461330 is an apocalyptic number.

16461330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16461330 is an abundant number, since it is smaller than the sum of its proper divisors (24765294).

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

16461330 is a wasteful number, since it uses less digits than its factorization.

16461330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23890.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 16461330 is about 4057.2564621922. The cubic root of 16461330 is about 254.3831302349.

Adding to 16461330 its reverse (3316461), we get a palindrome (19777791).

The spelling of 16461330 in words is "sixteen million, four hundred sixty-one thousand, three hundred thirty".