16417090 has 8 divisors (see below), whose sum is σ = 29550780. Its totient is φ = 6566832.

The previous prime is 16417061. The next prime is 16417091. The reversal of 16417090 is 9071461.

It can be written as a sum of positive squares in 2 ways, for example, as 15124321 + 1292769 = 3889^2 + 1137^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16417091) 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, 820845 + ... + 820864.

Almost surely, 2^16417090 is an apocalyptic number.

16417090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16417090 is a deficient number, since it is larger than the sum of its proper divisors (13133690).

16417090 is a wasteful number, since it uses less digits than its factorization.

16417090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641716.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 16417090 is about 4051.8008341971. The cubic root of 16417090 is about 254.1550399889.

The spelling of 16417090 in words is "sixteen million, four hundred seventeen thousand, ninety".