1161167722 has 32 divisors (see below), whose sum is σ = 2050925184. Its totient is φ = 486091200.

The previous prime is 1161167701. The next prime is 1161167737. The reversal of 1161167722 is 2277611611.

It is a super-2 number, since 2×1161167722² = 2696620957229338568, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127443 + ... + 136249.

It is an arithmetic number, because the mean of its divisors is an integer number (64091412).

Almost surely, 2^1161167722 is an apocalyptic number.

1161167722 is a deficient number, since it is larger than the sum of its proper divisors (889757462).

1161167722 is a wasteful number, since it uses less digits than its factorization.

1161167722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294.

The product of its digits is 7056, while the sum is 34.

The square root of 1161167722 is about 34075.9111690355. The cubic root of 1161167722 is about 1051.0700269564.

The spelling of 1161167722 in words is "one billion, one hundred sixty-one million, one hundred sixty-seven thousand, seven hundred twenty-two".