1516741165 has 4 divisors (see below), whose sum is σ = 1820089404. Its totient is φ = 1213392928.

The previous prime is 1516741159. The next prime is 1516741169. The reversal of 1516741165 is 5611476151.

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 452285289 + 1064455876 = 21267^2 + 32626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1516741165 - 2⁹ = 1516740653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1516741169) 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, 151674112 + ... + 151674121.

It is an arithmetic number, because the mean of its divisors is an integer number (455022351).

Almost surely, 2^1516741165 is an apocalyptic number.

It is an amenable number.

1516741165 is a deficient number, since it is larger than the sum of its proper divisors (303348239).

1516741165 is an equidigital number, since it uses as much as digits as its factorization.

1516741165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303348238.

The product of its digits is 25200, while the sum is 37.

The square root of 1516741165 is about 38945.3612770507. The cubic root of 1516741165 is about 1148.9571301807.

The spelling of 1516741165 in words is "one billion, five hundred sixteen million, seven hundred forty-one thousand, one hundred sixty-five".