1166814725 has 12 divisors (see below), whose sum is σ = 1509757536. Its totient is φ = 892866480.

The previous prime is 1166814709. The next prime is 1166814749. The reversal of 1166814725 is 5274186611.

It is not a de Polignac number, because 1166814725 - 2⁴ = 1166814709 is a prime.

It is a super-2 number, since 2×1166814725² = 2722913204953651250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1014047 + ... + 1015196.

It is an arithmetic number, because the mean of its divisors is an integer number (125813128).

Almost surely, 2^1166814725 is an apocalyptic number.

It is an amenable number.

1166814725 is a deficient number, since it is larger than the sum of its proper divisors (342942811).

1166814725 is a wasteful number, since it uses less digits than its factorization.

1166814725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029276 (or 2029271 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 1166814725 is about 34158.6698365144. The cubic root of 1166814725 is about 1052.7711305673.

The spelling of 1166814725 in words is "one billion, one hundred sixty-six million, eight hundred fourteen thousand, seven hundred twenty-five".