1264808166 has 12 divisors (see below), whose sum is σ = 2529790572. Its totient is φ = 421573684.

The previous prime is 1264808161. The next prime is 1264808183. The reversal of 1264808166 is 6618084621.

1264808166 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264808161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79855 + ... + 94373.

It is an arithmetic number, because the mean of its divisors is an integer number (210815881).

Almost surely, 2^1264808166 is an apocalyptic number.

1264808166 is an abundant number, since it is smaller than the sum of its proper divisors (1264982406).

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

1264808166 is an frugal number, since it uses more digits than its factorization.

1264808166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29043 (or 14524 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 1264808166 is about 35564.1415754690. The cubic root of 1264808166 is about 1081.4544207883.

The spelling of 1264808166 in words is "one billion, two hundred sixty-four million, eight hundred eight thousand, one hundred sixty-six".