1162166625 has 24 divisors (see below), whose sum is σ = 2095001064. Its totient is φ = 619821600.

The previous prime is 1162166623. The next prime is 1162166641. The reversal of 1162166625 is 5266612611.

It can be written as a sum of positive squares in 4 ways, for example, as 68409441 + 1093757184 = 8271^2 + 33072^2 .

It is not a de Polignac number, because 1162166625 - 2¹ = 1162166623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1162166625.

It is not an unprimeable number, because it can be changed into a prime (1162166623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 515394 + ... + 517643.

It is an arithmetic number, because the mean of its divisors is an integer number (87291711).

Almost surely, 2^1162166625 is an apocalyptic number.

1162166625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1162166625 is a deficient number, since it is larger than the sum of its proper divisors (932834439).

1162166625 is a wasteful number, since it uses less digits than its factorization.

1162166625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033058 (or 1033045 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 1162166625 is about 34090.5650437185. The cubic root of 1162166625 is about 1051.3713374564.

The spelling of 1162166625 in words is "one billion, one hundred sixty-two million, one hundred sixty-six thousand, six hundred twenty-five".