16464330 has 96 divisors (see below), whose sum is σ = 46860480. Its totient is φ = 4112640.

The previous prime is 16464323. The next prime is 16464353. The reversal of 16464330 is 3346461.

16464330 is a `hidden beast` number, since 16 + 4 + 643 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 16464294 and 16464303.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 77925 + ... + 78135.

It is an arithmetic number, because the mean of its divisors is an integer number (488130).

Almost surely, 2^16464330 is an apocalyptic number.

16464330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16464330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23430240).

16464330 is an abundant number, since it is smaller than the sum of its proper divisors (30396150).

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

16464330 is a wasteful number, since it uses less digits than its factorization.

16464330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 16464330 is about 4057.6261533069. The cubic root of 16464330 is about 254.3985826728.

The spelling of 16464330 in words is "sixteen million, four hundred sixty-four thousand, three hundred thirty".