10163861266 has 32 divisors (see below), whose sum is σ = 16552090800. Its totient is φ = 4652949504.

The previous prime is 10163861263. The next prime is 10163861287. The reversal of 10163861266 is 66216836101.

It can be written as a sum of positive squares in 8 ways, for example, as 3136560025 + 7027301241 = 56005^2 + 83829^2 .

It is not an unprimeable number, because it can be changed into a prime (10163861263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3690546 + ... + 3693298.

Almost surely, 2^10163861266 is an apocalyptic number.

10163861266 is a deficient number, since it is larger than the sum of its proper divisors (6388229534).

10163861266 is a wasteful number, since it uses less digits than its factorization.

10163861266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3870.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 10163861266 in words is "ten billion, one hundred sixty-three million, eight hundred sixty-one thousand, two hundred sixty-six".