1168263401 has 6 divisors (see below), whose sum is σ = 1172996202. Its totient is φ = 1163534960.

The previous prime is 1168263379. The next prime is 1168263433. The reversal of 1168263401 is 1043628611.

It can be written as a sum of positive squares in only one way, i.e., 1064325376 + 103938025 = 32624^2 + 10195^2 .

It is not a de Polignac number, because 1168263401 - 2¹⁸ = 1168001257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1168263451) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 571940 + ... + 573978.

It is an arithmetic number, because the mean of its divisors is an integer number (195499367).

Almost surely, 2^1168263401 is an apocalyptic number.

It is an amenable number.

1168263401 is a deficient number, since it is larger than the sum of its proper divisors (4732801).

1168263401 is an frugal number, since it uses more digits than its factorization.

1168263401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359 (or 2320 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1168263401 is about 34179.8683584358. The cubic root of 1168263401 is about 1053.2066448761.

The spelling of 1168263401 in words is "one billion, one hundred sixty-eight million, two hundred sixty-three thousand, four hundred one".