266942159194 has 16 divisors (see below), whose sum is σ = 421935590880. Its totient is φ = 126311894640.

The previous prime is 266942159173. The next prime is 266942159221. The reversal of 266942159194 is 491951249662.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3696864 + ... + 3768379.

It is an arithmetic number, because the mean of its divisors is an integer number (26370974430).

Almost surely, 2^266942159194 is an apocalyptic number.

266942159194 is a deficient number, since it is larger than the sum of its proper divisors (154993431686).

266942159194 is a wasteful number, since it uses less digits than its factorization.

266942159194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7466205.

The product of its digits is 8398080, while the sum is 58.

The spelling of 266942159194 in words is "two hundred sixty-six billion, nine hundred forty-two million, one hundred fifty-nine thousand, one hundred ninety-four".