16425330 has 32 divisors (see below), whose sum is σ = 39529728. Its totient is φ = 4368000.

The previous prime is 16425317. The next prime is 16425337. The reversal of 16425330 is 3352461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16425330.

It is not an unprimeable number, because it can be changed into a prime (16425337) 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, 17575 + ... + 18485.

It is an arithmetic number, because the mean of its divisors is an integer number (1235304).

Almost surely, 2^16425330 is an apocalyptic number.

16425330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16425330 is an abundant number, since it is smaller than the sum of its proper divisors (23104398).

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

16425330 is a wasteful number, since it uses less digits than its factorization.

16425330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 16425330 is about 4052.8175384540. The cubic root of 16425330 is about 254.1975543698.

Adding to 16425330 its reverse (3352461), we get a palindrome (19777791).

The spelling of 16425330 in words is "sixteen million, four hundred twenty-five thousand, three hundred thirty".