1285166795 has 8 divisors (see below), whose sum is σ = 1682400240. Its totient is φ = 934666720.

The previous prime is 1285166767. The next prime is 1285166801. The reversal of 1285166795 is 5976615821.

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

It is not a de Polignac number, because 1285166795 - 2⁸ = 1285166539 is a prime.

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, 11683280 + ... + 11683389.

It is an arithmetic number, because the mean of its divisors is an integer number (210300030).

Almost surely, 2^1285166795 is an apocalyptic number.

1285166795 is a deficient number, since it is larger than the sum of its proper divisors (397233445).

1285166795 is a wasteful number, since it uses less digits than its factorization.

1285166795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23366685.

The product of its digits is 907200, while the sum is 50.

The square root of 1285166795 is about 35849.2230738687. The cubic root of 1285166795 is about 1087.2260061045.

The spelling of 1285166795 in words is "one billion, two hundred eighty-five million, one hundred sixty-six thousand, seven hundred ninety-five".