1043166263 has 4 divisors (see below), whose sum is σ = 1044073728. Its totient is φ = 1042258800.

The previous prime is 1043166233. The next prime is 1043166281. The reversal of 1043166263 is 3626613401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1043166263 - 2¹² = 1043162167 is a prime.

It is a super-2 number, since 2×1043166263² = 2176391704522770338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043166233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452006 + ... + 454307.

It is an arithmetic number, because the mean of its divisors is an integer number (261018432).

Almost surely, 2^1043166263 is an apocalyptic number.

1043166263 is a deficient number, since it is larger than the sum of its proper divisors (907465).

1043166263 is an equidigital number, since it uses as much as digits as its factorization.

1043166263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907464.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 1043166263 is about 32298.0845097662. The cubic root of 1043166263 is about 1014.1865445678.

Adding to 1043166263 its reverse (3626613401), we get a palindrome (4669779664).

The spelling of 1043166263 in words is "one billion, forty-three million, one hundred sixty-six thousand, two hundred sixty-three".