16406468 has 24 divisors (see below), whose sum is σ = 31508568. Its totient is φ = 7428096.

The previous prime is 16406459. The next prime is 16406473. The reversal of 16406468 is 86460461.

It can be written as a sum of positive squares in 4 ways, for example, as 20164 + 16386304 = 142^2 + 4048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (1312857).

Almost surely, 2^16406468 is an apocalyptic number.

It is an amenable number.

16406468 is a deficient number, since it is larger than the sum of its proper divisors (15102100).

16406468 is a wasteful number, since it uses less digits than its factorization.

16406468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023 (or 6021 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 16406468 is about 4050.4898469198. The cubic root of 16406468 is about 254.1002146560.

The spelling of 16406468 in words is "sixteen million, four hundred six thousand, four hundred sixty-eight".