1161764456 has 16 divisors (see below), whose sum is σ = 2210821440. Its totient is φ = 572212080.

The previous prime is 1161764453. The next prime is 1161764507. The reversal of 1161764456 is 6544671611.

It is not an unprimeable number, because it can be changed into a prime (1161764453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083200 + ... + 1084271.

It is an arithmetic number, because the mean of its divisors is an integer number (138176340).

Almost surely, 2^1161764456 is an apocalyptic number.

It is an amenable number.

1161764456 is a deficient number, since it is larger than the sum of its proper divisors (1049056984).

1161764456 is a wasteful number, since it uses less digits than its factorization.

1161764456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2167544 (or 2167540 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 1161764456 is about 34084.6659951363. The cubic root of 1161764456 is about 1051.2500474069.

The spelling of 1161764456 in words is "one billion, one hundred sixty-one million, seven hundred sixty-four thousand, four hundred fifty-six".