1161808476 has 24 divisors (see below), whose sum is σ = 2828751744. Its totient is φ = 370431600.

The previous prime is 1161808457. The next prime is 1161808493. The reversal of 1161808476 is 6748081611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104450 + ... + 2105001.

It is an arithmetic number, because the mean of its divisors is an integer number (117864656).

Almost surely, 2^1161808476 is an apocalyptic number.

It is an amenable number.

1161808476 is an abundant number, since it is smaller than the sum of its proper divisors (1666943268).

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

1161808476 is a wasteful number, since it uses less digits than its factorization.

1161808476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209481 (or 4209479 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 1161808476 is about 34085.3117339419. The cubic root of 1161808476 is about 1051.2633247519.

The spelling of 1161808476 in words is "one billion, one hundred sixty-one million, eight hundred eight thousand, four hundred seventy-six".