1306525166 has 16 divisors (see below), whose sum is σ = 2047171968. Its totient is φ = 624195000.

The previous prime is 1306525159. The next prime is 1306525183. The reversal of 1306525166 is 6615256031.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30041 + ... + 59291.

It is an arithmetic number, because the mean of its divisors is an integer number (127948248).

Almost surely, 2^1306525166 is an apocalyptic number.

1306525166 is a deficient number, since it is larger than the sum of its proper divisors (740646802).

1306525166 is a wasteful number, since it uses less digits than its factorization.

1306525166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30247.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1306525166 is about 36145.8872625919. The cubic root of 1306525166 is about 1093.2158670854.

The spelling of 1306525166 in words is "one billion, three hundred six million, five hundred twenty-five thousand, one hundred sixty-six".