1330166025 has 18 divisors (see below), whose sum is σ = 2382475550. Its totient is φ = 709421760.

The previous prime is 1330166023. The next prime is 1330166029. The reversal of 1330166025 is 5206610331.

1330166025 is a `hidden beast` number, since 13 + 30 + 16 + 602 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 251001 + 1329915024 = 501^2 + 36468^2 .

It is not a de Polignac number, because 1330166025 - 2¹ = 1330166023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1330166025.

It is not an unprimeable number, because it can be changed into a prime (1330166023) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2955700 + ... + 2956149.

Almost surely, 2^1330166025 is an apocalyptic number.

1330166025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1330166025 is a deficient number, since it is larger than the sum of its proper divisors (1052309525).

1330166025 is a wasteful number, since it uses less digits than its factorization.

1330166025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911865 (or 5911857 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 1330166025 is about 36471.4412246075. The cubic root of 1330166025 is about 1099.7702068198.

Adding to 1330166025 its reverse (5206610331), we get a palindrome (6536776356).

The spelling of 1330166025 in words is "one billion, three hundred thirty million, one hundred sixty-six thousand, twenty-five".