660434244526 has 8 divisors (see below), whose sum is σ = 1132172990640. Its totient is φ = 283043247648.

The previous prime is 660434244511. The next prime is 660434244527. The reversal of 660434244526 is 625442434066.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660434244527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23586937291 + ... + 23586937318.

It is an arithmetic number, because the mean of its divisors is an integer number (141521623830).

Almost surely, 2^660434244526 is an apocalyptic number.

660434244526 is a deficient number, since it is larger than the sum of its proper divisors (471738746114).

660434244526 is a wasteful number, since it uses less digits than its factorization.

660434244526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47173874618.

The product of its (nonzero) digits is 3317760, while the sum is 46.

The spelling of 660434244526 in words is "six hundred sixty billion, four hundred thirty-four million, two hundred forty-four thousand, five hundred twenty-six".