660256602 has 16 divisors (see below), whose sum is σ = 1328616480. Its totient is φ = 218734992.

The previous prime is 660256577. The next prime is 660256609. The reversal of 660256602 is 206652066.

It is not an unprimeable number, because it can be changed into a prime (660256609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336577 + ... + 338532.

It is an arithmetic number, because the mean of its divisors is an integer number (83038530).

Almost surely, 2^660256602 is an apocalyptic number.

660256602 is an abundant number, since it is smaller than the sum of its proper divisors (668359878).

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

660256602 is a wasteful number, since it uses less digits than its factorization.

660256602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675277.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 660256602 is about 25695.4587816602. The cubic root of 660256602 is about 870.7715892356.

It can be divided in two parts, 66025 and 6602, that added together give a palindrome (72627).

The spelling of 660256602 in words is "six hundred sixty million, two hundred fifty-six thousand, six hundred two".