660280982 has 8 divisors (see below), whose sum is σ = 990763752. Its totient is φ = 330026400.

The previous prime is 660280979. The next prime is 660280993. The reversal of 660280982 is 289082066.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49619 + ... + 61502.

It is an arithmetic number, because the mean of its divisors is an integer number (123845469).

Almost surely, 2^660280982 is an apocalyptic number.

660280982 is a deficient number, since it is larger than the sum of its proper divisors (330482770).

660280982 is a wasteful number, since it uses less digits than its factorization.

660280982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114094.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 660280982 is about 25695.9331801746. The cubic root of 660280982 is about 870.7823068616.

The spelling of 660280982 in words is "six hundred sixty million, two hundred eighty thousand, nine hundred eighty-two".