660025413420 has 24 divisors (see below), whose sum is σ = 1848071157744. Its totient is φ = 176006776896.

The previous prime is 660025413413. The next prime is 660025413431. The reversal of 660025413420 is 24314520066.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5500211719 + ... + 5500211838.

It is an arithmetic number, because the mean of its divisors is an integer number (77002964906).

Almost surely, 2^660025413420 is an apocalyptic number.

660025413420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

660025413420 is an abundant number, since it is smaller than the sum of its proper divisors (1188045744324).

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

660025413420 is a wasteful number, since it uses less digits than its factorization.

660025413420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000423569 (or 11000423567 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 660025413420 its reverse (24314520066), we get a palindrome (684339933486).

The spelling of 660025413420 in words is "six hundred sixty billion, twenty-five million, four hundred thirteen thousand, four hundred twenty".