1164533761 has 8 divisors (see below), whose sum is σ = 1181894760. Its totient is φ = 1147267968.

The previous prime is 1164533743. The next prime is 1164533771. The reversal of 1164533761 is 1673354611.

It can be written as a sum of positive squares in 4 ways, for example, as 98903025 + 1065630736 = 9945^2 + 32644^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1164533761 - 2¹¹ = 1164531713 is a prime.

It is a super-2 number, since 2×1164533761² = 2712277761017610242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1164533761.

It is not an unprimeable number, because it can be changed into a prime (1164533771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035 + ... + 48271.

It is an arithmetic number, because the mean of its divisors is an integer number (147736845).

Almost surely, 2^1164533761 is an apocalyptic number.

It is an amenable number.

1164533761 is a deficient number, since it is larger than the sum of its proper divisors (17360999).

1164533761 is an equidigital number, since it uses as much as digits as its factorization.

1164533761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47603.

The product of its digits is 45360, while the sum is 37.

The square root of 1164533761 is about 34125.2657279031. The cubic root of 1164533761 is about 1052.0846749662.

The spelling of 1164533761 in words is "one billion, one hundred sixty-four million, five hundred thirty-three thousand, seven hundred sixty-one".