266893845406 has 8 divisors (see below), whose sum is σ = 400379776704. Its totient is φ = 133433919840.

The previous prime is 266893845397. The next prime is 266893845433. The reversal of 266893845406 is 604548398662.

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

It is a congruent number.

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, 6475755 + ... + 6516838.

It is an arithmetic number, because the mean of its divisors is an integer number (50047472088).

Almost surely, 2^266893845406 is an apocalyptic number.

266893845406 is a deficient number, since it is larger than the sum of its proper divisors (133485931298).

266893845406 is a wasteful number, since it uses less digits than its factorization.

266893845406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13002866.

The product of its (nonzero) digits is 59719680, while the sum is 61.

The spelling of 266893845406 in words is "two hundred sixty-six billion, eight hundred ninety-three million, eight hundred forty-five thousand, four hundred six".