647275052160 has 256 divisors, whose sum is σ = 2500836163200. Its totient is φ = 156915118080.

The previous prime is 647275052141. The next prime is 647275052231. The reversal of 647275052160 is 61250572746.

647275052160 is a `hidden beast` number, since 6 + 4 + 72 + 7 + 50 + 521 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1512559 + ... + 1892718.

Almost surely, 2^647275052160 is an apocalyptic number.

647275052160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

647275052160 is an abundant number, since it is smaller than the sum of its proper divisors (1853561111040).

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

647275052160 is a wasteful number, since it uses less digits than its factorization.

647275052160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3405316 (or 3405298 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 647275052160 in words is "six hundred forty-seven billion, two hundred seventy-five million, fifty-two thousand, one hundred sixty".