207400504660 has 48 divisors (see below), whose sum is σ = 465093941760. Its totient is φ = 77515643520.

The previous prime is 207400504601. The next prime is 207400504667. The reversal of 207400504660 is 66405004702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207400504667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5749554 + ... + 5785513.

It is an arithmetic number, because the mean of its divisors is an integer number (9689457120).

Almost surely, 2^207400504660 is an apocalyptic number.

207400504660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207400504660 is an abundant number, since it is smaller than the sum of its proper divisors (257693437100).

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

207400504660 is a wasteful number, since it uses less digits than its factorization.

207400504660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11535136 (or 11535134 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 207400504660 in words is "two hundred seven billion, four hundred million, five hundred four thousand, six hundred sixty".