16427090 has 8 divisors (see below), whose sum is σ = 29568780. Its totient is φ = 6570832.

The previous prime is 16427071. The next prime is 16427093. The reversal of 16427090 is 9072461.

16427090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 16313521 + 113569 = 4039^2 + 337^2 .

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

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16427093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821345 + ... + 821364.

Almost surely, 2^16427090 is an apocalyptic number.

16427090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16427090 is a deficient number, since it is larger than the sum of its proper divisors (13141690).

16427090 is a wasteful number, since it uses less digits than its factorization.

16427090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642716.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 16427090 is about 4053.0346655315. The cubic root of 16427090 is about 254.2066332684.

The spelling of 16427090 in words is "sixteen million, four hundred twenty-seven thousand, ninety".