1264166086 has 32 divisors (see below), whose sum is σ = 1988712000. Its totient is φ = 601921152.

The previous prime is 1264166069. The next prime is 1264166093. The reversal of 1264166086 is 6806614621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269320 + ... + 2269876.

It is an arithmetic number, because the mean of its divisors is an integer number (62147250).

Almost surely, 2^1264166086 is an apocalyptic number.

1264166086 is a deficient number, since it is larger than the sum of its proper divisors (724545914).

1264166086 is a wasteful number, since it uses less digits than its factorization.

1264166086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 1264166086 is about 35555.1133594030. The cubic root of 1264166086 is about 1081.2713896623.

The spelling of 1264166086 in words is "one billion, two hundred sixty-four million, one hundred sixty-six thousand, eighty-six".