1161863474 has 16 divisors (see below), whose sum is σ = 1775865912. Its totient is φ = 569991168.

The previous prime is 1161863473. The next prime is 1161863489. The reversal of 1161863474 is 4743681611.

It can be written as a sum of positive squares in 4 ways, for example, as 844774225 + 317089249 = 29065^2 + 17807^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1161863473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7562 + ... + 48794.

Almost surely, 2^1161863474 is an apocalyptic number.

1161863474 is a deficient number, since it is larger than the sum of its proper divisors (614002438).

1161863474 is a wasteful number, since it uses less digits than its factorization.

1161863474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41501.

The product of its digits is 96768, while the sum is 41.

The square root of 1161863474 is about 34086.1184941906. The cubic root of 1161863474 is about 1051.2799128182.

The spelling of 1161863474 in words is "one billion, one hundred sixty-one million, eight hundred sixty-three thousand, four hundred seventy-four".