1266163466 has 8 divisors (see below), whose sum is σ = 1943413824. Its totient is φ = 618358860.

The previous prime is 1266163429. The next prime is 1266163471. The reversal of 1266163466 is 6643616621.

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

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, 7361330 + ... + 7361501.

It is an arithmetic number, because the mean of its divisors is an integer number (242926728).

Almost surely, 2^1266163466 is an apocalyptic number.

1266163466 is a deficient number, since it is larger than the sum of its proper divisors (677250358).

1266163466 is a wasteful number, since it uses less digits than its factorization.

1266163466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14722876.

The product of its digits is 186624, while the sum is 41.

The square root of 1266163466 is about 35583.1907787933. The cubic root of 1266163466 is about 1081.8405589151.

The spelling of 1266163466 in words is "one billion, two hundred sixty-six million, one hundred sixty-three thousand, four hundred sixty-six".