660526383 has 16 divisors (see below), whose sum is σ = 962318592. Its totient is φ = 399672000.

The previous prime is 660526357. The next prime is 660526421. The reversal of 660526383 is 383625066.

It is a happy number.

It is not a de Polignac number, because 660526383 - 2¹⁴ = 660509999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660526883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4963 + ... + 36683.

It is an arithmetic number, because the mean of its divisors is an integer number (60144912).

Almost surely, 2^660526383 is an apocalyptic number.

660526383 is a deficient number, since it is larger than the sum of its proper divisors (301792209).

660526383 is a wasteful number, since it uses less digits than its factorization.

660526383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32366.

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 660526383 is about 25700.7078307194. The cubic root of 660526383 is about 870.8901722435.

The spelling of 660526383 in words is "six hundred sixty million, five hundred twenty-six thousand, three hundred eighty-three".