660623340602 has 32 divisors (see below), whose sum is σ = 1086898881024. Its totient is φ = 299789913600.

The previous prime is 660623340581. The next prime is 660623340617. The reversal of 660623340602 is 206043326066.

It is a super-2 number, since 2×660623340602² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 809099 + ... + 1405662.

It is an arithmetic number, because the mean of its divisors is an integer number (33965590032).

Almost surely, 2^660623340602 is an apocalyptic number.

660623340602 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

660623340602 is a deficient number, since it is larger than the sum of its proper divisors (426275540422).

660623340602 is a wasteful number, since it uses less digits than its factorization.

660623340602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215094.

The product of its (nonzero) digits is 186624, while the sum is 38.

Adding to 660623340602 its reverse (206043326066), we get a palindrome (866666666668).

The spelling of 660623340602 in words is "six hundred sixty billion, six hundred twenty-three million, three hundred forty thousand, six hundred two".