1157060165 has 4 divisors (see below), whose sum is σ = 1388472204. Its totient is φ = 925648128.

The previous prime is 1157060153. The next prime is 1157060197. The reversal of 1157060165 is 5610607511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 732947329 + 424112836 = 27073^2 + 20594^2 .

It is a cyclic number.

It is not a de Polignac number, because 1157060165 - 2⁶ = 1157060101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115706012 + ... + 115706021.

It is an arithmetic number, because the mean of its divisors is an integer number (347118051).

Almost surely, 2^1157060165 is an apocalyptic number.

It is an amenable number.

1157060165 is a deficient number, since it is larger than the sum of its proper divisors (231412039).

1157060165 is an equidigital number, since it uses as much as digits as its factorization.

1157060165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231412038.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 1157060165 is about 34015.5870888627. The cubic root of 1157060165 is about 1049.8291982190.

Adding to 1157060165 its reverse (5610607511), we get a palindrome (6767667676).

The spelling of 1157060165 in words is "one billion, one hundred fifty-seven million, sixty thousand, one hundred sixty-five".