1161914804 has 18 divisors (see below), whose sum is σ = 2064184290. Its totient is φ = 572277552.

The previous prime is 1161914773. The next prime is 1161914843. The reversal of 1161914804 is 4084191611.

It can be written as a sum of positive squares in only one way, i.e., 1122250000 + 39664804 = 33500^2 + 6298^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14399 + ... + 50310.

It is an arithmetic number, because the mean of its divisors is an integer number (114676905).

Almost surely, 2^1161914804 is an apocalyptic number.

It is an amenable number.

1161914804 is a deficient number, since it is larger than the sum of its proper divisors (902269486).

1161914804 is an equidigital number, since it uses as much as digits as its factorization.

1161914804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64847 (or 64778 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 1161914804 is about 34086.8714316817. The cubic root of 1161914804 is about 1051.2953940988.

The spelling of 1161914804 in words is "one billion, one hundred sixty-one million, nine hundred fourteen thousand, eight hundred four".