207473473648 has 80 divisors (see below), whose sum is σ = 476471736000. Its totient is φ = 85629874176.

The previous prime is 207473473631. The next prime is 207473473661. The reversal of 207473473648 is 846374374702.

It is a congruent number.

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, 1181368 + ... + 1345576.

It is an arithmetic number, because the mean of its divisors is an integer number (5955896700).

Almost surely, 2^207473473648 is an apocalyptic number.

207473473648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 207473473648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238235868000).

207473473648 is an abundant number, since it is smaller than the sum of its proper divisors (268998262352).

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

207473473648 is a wasteful number, since it uses less digits than its factorization.

207473473648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164642 (or 164636 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 55.

The spelling of 207473473648 in words is "two hundred seven billion, four hundred seventy-three million, four hundred seventy-three thousand, six hundred forty-eight".