1264166290 has 16 divisors (see below), whose sum is σ = 2278964160. Its totient is φ = 504896560.

The previous prime is 1264166287. The next prime is 1264166303. The reversal of 1264166290 is 926614621.

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, 89326 + ... + 102505.

It is an arithmetic number, because the mean of its divisors is an integer number (142435260).

Almost surely, 2^1264166290 is an apocalyptic number.

1264166290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264166290 is a deficient number, since it is larger than the sum of its proper divisors (1014797870).

1264166290 is a wasteful number, since it uses less digits than its factorization.

1264166290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192497.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1264166290 is about 35555.1162281886. The cubic root of 1264166290 is about 1081.2714478243.

The spelling of 1264166290 in words is "one billion, two hundred sixty-four million, one hundred sixty-six thousand, two hundred ninety".