660125352243 has 32 divisors (see below), whose sum is σ = 1019072194560. Its totient is φ = 372280970880.

The previous prime is 660125352239. The next prime is 660125352253. The reversal of 660125352243 is 342253521066.

It is not a de Polignac number, because 660125352243 - 2² = 660125352239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (660125352223) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3866521 + ... + 4033637.

It is an arithmetic number, because the mean of its divisors is an integer number (31846006080).

Almost surely, 2^660125352243 is an apocalyptic number.

660125352243 is a deficient number, since it is larger than the sum of its proper divisors (358946842317).

660125352243 is a wasteful number, since it uses less digits than its factorization.

660125352243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169587.

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 660125352243 in words is "six hundred sixty billion, one hundred twenty-five million, three hundred fifty-two thousand, two hundred forty-three".