1161500364 has 48 divisors (see below), whose sum is σ = 3029376000. Its totient is φ = 384842448.

The previous prime is 1161500359. The next prime is 1161500369. The reversal of 1161500364 is 4630051611.

1161500364 is a `hidden beast` number, since 11 + 615 + 0 + 0 + 36 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1161500359) and next prime (1161500369).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1161500369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14164 + ... + 50235.

It is an arithmetic number, because the mean of its divisors is an integer number (63112000).

Almost surely, 2^1161500364 is an apocalyptic number.

It is an amenable number.

1161500364 is an abundant number, since it is smaller than the sum of its proper divisors (1867875636).

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

1161500364 is a wasteful number, since it uses less digits than its factorization.

1161500364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64579 (or 64571 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1161500364 is about 34080.7917161559. The cubic root of 1161500364 is about 1051.1703847394.

Adding to 1161500364 its reverse (4630051611), we get a palindrome (5791551975).

The spelling of 1161500364 in words is "one billion, one hundred sixty-one million, five hundred thousand, three hundred sixty-four".