1161937033 has 2 divisors, whose sum is σ = 1161937034. Its totient is φ = 1161937032.

The previous prime is 1161936989. The next prime is 1161937037. The reversal of 1161937033 is 3307391611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 760215184 + 401721849 = 27572^2 + 20043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161937033 - 2⁹ = 1161936521 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1161937033.

It is not a weakly prime, because it can be changed into another prime (1161937037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580968516 + 580968517.

It is an arithmetic number, because the mean of its divisors is an integer number (580968517).

Almost surely, 2^1161937033 is an apocalyptic number.

It is an amenable number.

1161937033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161937033 is an equidigital number, since it uses as much as digits as its factorization.

1161937033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 1161937033 is about 34087.1974940739. The cubic root of 1161937033 is about 1051.3020982898.

The spelling of 1161937033 in words is "one billion, one hundred sixty-one million, nine hundred thirty-seven thousand, thirty-three".