1266163464 has 32 divisors (see below), whose sum is σ = 3169285920. Its totient is φ = 421537536.

The previous prime is 1266163429. The next prime is 1266163471. The reversal of 1266163464 is 4643616621.

It is a nude number because it is divisible by every one of its digits.

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, 12049 + ... + 51744.

It is an arithmetic number, because the mean of its divisors is an integer number (99040185).

Almost surely, 2^1266163464 is an apocalyptic number.

It is an amenable number.

1266163464 is an abundant number, since it is smaller than the sum of its proper divisors (1903122456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266163464 is a wasteful number, since it uses less digits than its factorization.

1266163464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64629 (or 64625 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 1266163464 is about 35583.1907506901. The cubic root of 1266163464 is about 1081.8405583455.

The spelling of 1266163464 in words is "one billion, two hundred sixty-six million, one hundred sixty-three thousand, four hundred sixty-four".