1166348525 has 24 divisors (see below), whose sum is σ = 1488316200. Its totient is φ = 906163200.

The previous prime is 1166348509. The next prime is 1166348551. The reversal of 1166348525 is 5258436611.

It can be written as a sum of positive squares in 12 ways, for example, as 502925476 + 663423049 = 22426^2 + 25757^2 .

It is not a de Polignac number, because 1166348525 - 2⁴ = 1166348509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 232241 + ... + 237209.

It is an arithmetic number, because the mean of its divisors is an integer number (62013175).

Almost surely, 2^1166348525 is an apocalyptic number.

It is an amenable number.

1166348525 is a deficient number, since it is larger than the sum of its proper divisors (321967675).

1166348525 is a wasteful number, since it uses less digits than its factorization.

1166348525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249 (or 5244 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 1166348525 is about 34151.8451185291. The cubic root of 1166348525 is about 1052.6309005686.

The spelling of 1166348525 in words is "one billion, one hundred sixty-six million, three hundred forty-eight thousand, five hundred twenty-five".