1826668090 has 16 divisors (see below), whose sum is σ = 3540926088. Its totient is φ = 674462016.

The previous prime is 1826668057. The next prime is 1826668091. The reversal of 1826668090 is 908666281.

It can be written as a sum of positive squares in 4 ways, for example, as 1244748961 + 581919129 = 35281^2 + 24123^2 .

It is a super-2 number, since 2×1826668090² = 6673432622048496200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1826668090.

It is not an unprimeable number, because it can be changed into a prime (1826668091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7025517 + ... + 7025776.

Almost surely, 2^1826668090 is an apocalyptic number.

1826668090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1826668090 is a deficient number, since it is larger than the sum of its proper divisors (1714257998).

1826668090 is a wasteful number, since it uses less digits than its factorization.

1826668090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14051313.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1826668090 is about 42739.5377841174. The cubic root of 1826668090 is about 1222.4184067111.

The spelling of 1826668090 in words is "one billion, eight hundred twenty-six million, six hundred sixty-eight thousand, ninety".