1162918817 has 2 divisors, whose sum is σ = 1162918818. Its totient is φ = 1162918816.

The previous prime is 1162918681. The next prime is 1162918837. The reversal of 1162918817 is 7188192611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1161173776 + 1745041 = 34076^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 1162918817 - 2²² = 1158724513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1162918837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581459408 + 581459409.

It is an arithmetic number, because the mean of its divisors is an integer number (581459409).

Almost surely, 2^1162918817 is an apocalyptic number.

It is an amenable number.

1162918817 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162918817 is an equidigital number, since it uses as much as digits as its factorization.

1162918817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 44.

The square root of 1162918817 is about 34101.5955198580. The cubic root of 1162918817 is about 1051.5981157673.

The spelling of 1162918817 in words is "one billion, one hundred sixty-two million, nine hundred eighteen thousand, eight hundred seventeen".