16255490 has 16 divisors (see below), whose sum is σ = 29332152. Its totient is φ = 6486144.

The previous prime is 16255487. The next prime is 16255493. The reversal of 16255490 is 9455261.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (16255487) and next prime (16255493).

It can be written as a sum of positive squares in 4 ways, for example, as 12880921 + 3374569 = 3589^2 + 1837^2 .

It is not an unprimeable number, because it can be changed into a prime (16255493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2792 + ... + 6348.

Almost surely, 2^16255490 is an apocalyptic number.

16255490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16255490 is a deficient number, since it is larger than the sum of its proper divisors (13076662).

16255490 is a wasteful number, since it uses less digits than its factorization.

16255490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4021.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 16255490 is about 4031.8097673377. The cubic root of 16255490 is about 253.3183720774.

The spelling of 16255490 in words is "sixteen million, two hundred fifty-five thousand, four hundred ninety".