1163472557 has 6 divisors (see below), whose sum is σ = 1259855082. Its totient is φ = 1073974512.

The previous prime is 1163472551. The next prime is 1163472559. The reversal of 1163472557 is 7552743611.

It can be written as a sum of positive squares in 3 ways, for example, as 6180196 + 1157292361 = 2486^2 + 34019^2 .

It is not a de Polignac number, because 1163472557 - 2⁶ = 1163472493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163472551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3442058 + ... + 3442395.

It is an arithmetic number, because the mean of its divisors is an integer number (209975847).

Almost surely, 2^1163472557 is an apocalyptic number.

It is an amenable number.

1163472557 is a deficient number, since it is larger than the sum of its proper divisors (96382525).

1163472557 is an equidigital number, since it uses as much as digits as its factorization.

1163472557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884479 (or 6884466 counting only the distinct ones).

The product of its digits is 176400, while the sum is 41.

The square root of 1163472557 is about 34109.7135285537. The cubic root of 1163472557 is about 1051.7650003142.

The spelling of 1163472557 in words is "one billion, one hundred sixty-three million, four hundred seventy-two thousand, five hundred fifty-seven".