16623460 has 24 divisors (see below), whose sum is σ = 39896640. Its totient is φ = 5699424.

The previous prime is 16623449. The next prime is 16623463. The reversal of 16623460 is 6432661.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16623463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59230 + ... + 59509.

It is an arithmetic number, because the mean of its divisors is an integer number (1662360).

Almost surely, 2^16623460 is an apocalyptic number.

16623460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16623460 is an abundant number, since it is smaller than the sum of its proper divisors (23273180).

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

16623460 is a wasteful number, since it uses less digits than its factorization.

16623460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118755 (or 118753 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 16623460 is about 4077.1877562850. The cubic root of 16623460 is about 255.2155552734.

The spelling of 16623460 in words is "sixteen million, six hundred twenty-three thousand, four hundred sixty".