16326490 has 8 divisors (see below), whose sum is σ = 29387700. Its totient is φ = 6530592.

The previous prime is 16326473. The next prime is 16326551. The reversal of 16326490 is 9462361.

It can be written as a sum of positive squares in 2 ways, for example, as 13111641 + 3214849 = 3621^2 + 1793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 816315 + ... + 816334.

Almost surely, 2^16326490 is an apocalyptic number.

16326490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16326490 is a deficient number, since it is larger than the sum of its proper divisors (13061210).

16326490 is a wasteful number, since it uses less digits than its factorization.

16326490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632656.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 16326490 is about 4040.6051526968. The cubic root of 16326490 is about 253.6866472919.

The spelling of 16326490 in words is "sixteen million, three hundred twenty-six thousand, four hundred ninety".