26803633066 has 32 divisors (see below), whose sum is σ = 49023418752. Its totient is φ = 10729006080.

The previous prime is 26803633019. The next prime is 26803633091. The reversal of 26803633066 is 66033630862.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398671 + ... + 461026.

It is an arithmetic number, because the mean of its divisors is an integer number (1531981836).

Almost surely, 2^26803633066 is an apocalyptic number.

26803633066 is a deficient number, since it is larger than the sum of its proper divisors (22219785686).

26803633066 is a wasteful number, since it uses less digits than its factorization.

26803633066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859854.

The product of its (nonzero) digits is 559872, while the sum is 43.

The spelling of 26803633066 in words is "twenty-six billion, eight hundred three million, six hundred thirty-three thousand, sixty-six".