16455450 has 48 divisors (see below), whose sum is σ = 44523936. Its totient is φ = 3988800.

The previous prime is 16455449. The next prime is 16455469. The reversal of 16455450 is 5455461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3337 + ... + 6636.

It is an arithmetic number, because the mean of its divisors is an integer number (927582).

Almost surely, 2^16455450 is an apocalyptic number.

16455450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16455450 is an abundant number, since it is smaller than the sum of its proper divisors (28068486).

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

16455450 is a wasteful number, since it uses less digits than its factorization.

16455450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9999 (or 9994 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 16455450 is about 4056.5317698744. The cubic root of 16455450 is about 254.3528380099.

The spelling of 16455450 in words is "sixteen million, four hundred fifty-five thousand, four hundred fifty".