104991566266 has 8 divisors (see below), whose sum is σ = 157526664480. Its totient is φ = 52482678108.

The previous prime is 104991566249. The next prime is 104991566291. The reversal of 104991566266 is 662665199401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×104991566266² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6542496 + ... + 6558523.

It is an arithmetic number, because the mean of its divisors is an integer number (19690833060).

Almost surely, 2^104991566266 is an apocalyptic number.

104991566266 is a deficient number, since it is larger than the sum of its proper divisors (52535098214).

104991566266 is a wasteful number, since it uses less digits than its factorization.

104991566266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13105028.

The product of its (nonzero) digits is 4199040, while the sum is 55.

The spelling of 104991566266 in words is "one hundred four billion, nine hundred ninety-one million, five hundred sixty-six thousand, two hundred sixty-six".