1161867434 has 16 divisors (see below), whose sum is σ = 2144986368. Its totient is φ = 459639792.

The previous prime is 1161867433. The next prime is 1161867463. The reversal of 1161867434 is 4347681611.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1161867391 and 1161867400.

It is not an unprimeable number, because it can be changed into a prime (1161867433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3191762 + ... + 3192125.

It is an arithmetic number, because the mean of its divisors is an integer number (134061648).

Almost surely, 2^1161867434 is an apocalyptic number.

1161867434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1161867434 is a deficient number, since it is larger than the sum of its proper divisors (983118934).

1161867434 is a wasteful number, since it uses less digits than its factorization.

1161867434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383909.

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

The square root of 1161867434 is about 34086.1765823039. The cubic root of 1161867434 is about 1051.2811071822.

The spelling of 1161867434 in words is "one billion, one hundred sixty-one million, eight hundred sixty-seven thousand, four hundred thirty-four".