1166666926 has 16 divisors (see below), whose sum is σ = 1816269840. Its totient is φ = 561375360.

The previous prime is 1166666923. The next prime is 1166666951. The reversal of 1166666926 is 6296666611.

It is a super-2 number, since 2×1166666926² = 2722223432444578952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1166666926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166666923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14955 + ... + 50566.

It is an arithmetic number, because the mean of its divisors is an integer number (113516865).

Almost surely, 2^1166666926 is an apocalyptic number.

1166666926 is a deficient number, since it is larger than the sum of its proper divisors (649602914).

1166666926 is a wasteful number, since it uses less digits than its factorization.

1166666926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65859.

The product of its digits is 839808, while the sum is 49.

The square root of 1166666926 is about 34156.5063494497. The cubic root of 1166666926 is about 1052.7266776114.

The spelling of 1166666926 in words is "one billion, one hundred sixty-six million, six hundred sixty-six thousand, nine hundred twenty-six".