1161623874 has 16 divisors (see below), whose sum is σ = 2331460512. Its totient is φ = 385839168.

The previous prime is 1161623857. The next prime is 1161623891. The reversal of 1161623874 is 4783261611.

It is an interprime number because it is at equal distance from previous prime (1161623857) and next prime (1161623891).

It is a Curzon number.

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, 340359 + ... + 343754.

It is an arithmetic number, because the mean of its divisors is an integer number (145716282).

Almost surely, 2^1161623874 is an apocalyptic number.

1161623874 is an abundant number, since it is smaller than the sum of its proper divisors (1169836638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161623874 is a wasteful number, since it uses less digits than its factorization.

1161623874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684401.

The product of its digits is 48384, while the sum is 39.

The square root of 1161623874 is about 34082.6036857515. The cubic root of 1161623874 is about 1051.2076427138.

The spelling of 1161623874 in words is "one billion, one hundred sixty-one million, six hundred twenty-three thousand, eight hundred seventy-four".