16026890 has 32 divisors (see below), whose sum is σ = 31636224. Its totient is φ = 5797440.

The previous prime is 16026877. The next prime is 16026911. The reversal of 16026890 is 9862061.

16026890 = 226² + 227² + ... + 390².

It is a super-2 number, since 2×16026890² = 513722406144200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40172 + ... + 40568.

It is an arithmetic number, because the mean of its divisors is an integer number (988632).

Almost surely, 2^16026890 is an apocalyptic number.

16026890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16026890 is a deficient number, since it is larger than the sum of its proper divisors (15609334).

16026890 is a wasteful number, since it uses less digits than its factorization.

16026890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 16026890 is about 4003.3598389353. The cubic root of 16026890 is about 252.1252946260.

The spelling of 16026890 in words is "sixteen million, twenty-six thousand, eight hundred ninety".