1162168057 has 4 divisors (see below), whose sum is σ = 1162236240. Its totient is φ = 1162099876.

The previous prime is 1162168043. The next prime is 1162168087. The reversal of 1162168057 is 7508612611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1162168057 - 2¹¹ = 1162166009 is a prime.

It is a super-2 number, since 2×1162168057² = 2701269185422310498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162168037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16794 + ... + 51052.

It is an arithmetic number, because the mean of its divisors is an integer number (290559060).

Almost surely, 2^1162168057 is an apocalyptic number.

It is an amenable number.

1162168057 is a deficient number, since it is larger than the sum of its proper divisors (68183).

1162168057 is an equidigital number, since it uses as much as digits as its factorization.

1162168057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68182.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1162168057 is about 34090.5860465906. The cubic root of 1162168057 is about 1051.3717692829.

The spelling of 1162168057 in words is "one billion, one hundred sixty-two million, one hundred sixty-eight thousand, fifty-seven".