1161962258 has 8 divisors (see below), whose sum is σ = 1743162060. Its totient is φ = 580908240.

The previous prime is 1161962209. The next prime is 1161962267. The reversal of 1161962258 is 8522691611.

It can be written as a sum of positive squares in 2 ways, for example, as 1109356249 + 52606009 = 33307^2 + 7253^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 13673 + ... + 50108.

Almost surely, 2^1161962258 is an apocalyptic number.

1161962258 is a deficient number, since it is larger than the sum of its proper divisors (581199802).

1161962258 is an equidigital number, since it uses as much as digits as its factorization.

1161962258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72892.

The product of its digits is 51840, while the sum is 41.

The square root of 1161962258 is about 34087.5674990164. The cubic root of 1161962258 is about 1051.3097059607.

The spelling of 1161962258 in words is "one billion, one hundred sixty-one million, nine hundred sixty-two thousand, two hundred fifty-eight".