8266491917900 has 36 divisors (see below), whose sum is σ = 17939242231680. Its totient is φ = 3306420772800.

The previous prime is 8266491917891. The next prime is 8266491917911. The reversal of 8266491917900 is 97191946628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 303596 + ... + 4077395.

Almost surely, 2^{8266491917900} is an apocalyptic number.

It is an amenable number.

8266491917900 is an abundant number, since it is smaller than the sum of its proper divisors (9672750313780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8266491917900 is a wasteful number, since it uses less digits than its factorization.

8266491917900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4399874 (or 4399867 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 62.

The spelling of 8266491917900 in words is "eight trillion, two hundred sixty-six billion, four hundred ninety-one million, nine hundred seventeen thousand, nine hundred".