16281468 has 36 divisors (see below), whose sum is σ = 47036080. Its totient is φ = 4651776.

The previous prime is 16281457. The next prime is 16281497. The reversal of 16281468 is 86418261.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32053 + ... + 32556.

Almost surely, 2^16281468 is an apocalyptic number.

16281468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16281468 is an abundant number, since it is smaller than the sum of its proper divisors (30754612).

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

16281468 is a wasteful number, since it uses less digits than its factorization.

16281468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64626 (or 64621 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 16281468 is about 4035.0301114118. The cubic root of 16281468 is about 253.4532434803.

The spelling of 16281468 in words is "sixteen million, two hundred eighty-one thousand, four hundred sixty-eight".