1166263475 has 12 divisors (see below), whose sum is σ = 1557410736. Its totient is φ = 861240480.

The previous prime is 1166263459. The next prime is 1166263481. The reversal of 1166263475 is 5743626611.

It is not a de Polignac number, because 1166263475 - 2⁴ = 1166263459 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1793927 + ... + 1794576.

It is an arithmetic number, because the mean of its divisors is an integer number (129784228).

Almost surely, 2^1166263475 is an apocalyptic number.

1166263475 is a deficient number, since it is larger than the sum of its proper divisors (391147261).

1166263475 is a wasteful number, since it uses less digits than its factorization.

1166263475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588526 (or 3588521 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 1166263475 is about 34150.5999215241. The cubic root of 1166263475 is about 1052.6053140387.

The spelling of 1166263475 in words is "one billion, one hundred sixty-six million, two hundred sixty-three thousand, four hundred seventy-five".