1161374663 has 2 divisors, whose sum is σ = 1161374664. Its totient is φ = 1161374662.

The previous prime is 1161374657. The next prime is 1161374681. The reversal of 1161374663 is 3664731611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1161374663 - 2⁸ = 1161374407 is a prime.

It is a super-2 number, since 2×1161374663² = 2697582215716727138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161374603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580687331 + 580687332.

It is an arithmetic number, because the mean of its divisors is an integer number (580687332).

Almost surely, 2^1161374663 is an apocalyptic number.

1161374663 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161374663 is an equidigital number, since it uses as much as digits as its factorization.

1161374663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 1161374663 is about 34078.9475042877. The cubic root of 1161374663 is about 1051.1324631167.

The spelling of 1161374663 in words is "one billion, one hundred sixty-one million, three hundred seventy-four thousand, six hundred sixty-three".