7325142666 has 16 divisors (see below), whose sum is σ = 14890454688. Its totient is φ = 2401686000.

The previous prime is 7325142647. The next prime is 7325142731. The reversal of 7325142666 is 6662415237.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10006660 + ... + 10007391.

It is an arithmetic number, because the mean of its divisors is an integer number (930653418).

Almost surely, 2^7325142666 is an apocalyptic number.

7325142666 is an abundant number, since it is smaller than the sum of its proper divisors (7565312022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7325142666 is a wasteful number, since it uses less digits than its factorization.

7325142666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20014117.

The product of its digits is 362880, while the sum is 42.

The square root of 7325142666 is about 85587.0473027315. The cubic root of 7325142666 is about 1942.1019717198.

The spelling of 7325142666 in words is "seven billion, three hundred twenty-five million, one hundred forty-two thousand, six hundred sixty-six".