657201047248 has 20 divisors (see below), whose sum is σ = 1328689074528. Its totient is φ = 314313544160.

The previous prime is 657201047231. The next prime is 657201047267. The reversal of 657201047248 is 842740102756.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 657201047198 and 657201047207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 892935838 + ... + 892936573.

Almost surely, 2^657201047248 is an apocalyptic number.

It is an amenable number.

657201047248 is an abundant number, since it is smaller than the sum of its proper divisors (671488027280).

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

657201047248 is a wasteful number, since it uses less digits than its factorization.

657201047248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1785872442 (or 1785872436 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 657201047248 in words is "six hundred fifty-seven billion, two hundred one million, forty-seven thousand, two hundred forty-eight".