647198160 has 480 divisors, whose sum is σ = 2572787712. Its totient is φ = 131604480.

The previous prime is 647198141. The next prime is 647198179. The reversal of 647198160 is 61891746.

647198160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (647198141) and next prime (647198179).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15051099 + ... + 15051141.

Almost surely, 2^647198160 is an apocalyptic number.

647198160 is a gapful number since it is divisible by the number (60) 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 647198160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1286393856).

647198160 is an abundant number, since it is smaller than the sum of its proper divisors (1925589552).

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

647198160 is a wasteful number, since it uses less digits than its factorization.

647198160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 647198160 is about 25440.0896224836. The cubic root of 647198160 is about 864.9926648002.

The spelling of 647198160 in words is "six hundred forty-seven million, one hundred ninety-eight thousand, one hundred sixty".