647132112 has 160 divisors (see below), whose sum is σ = 2074152960. Its totient is φ = 191479680.

The previous prime is 647132107. The next prime is 647132137. The reversal of 647132112 is 211231746.

647132112 is a `hidden beast` number, since 647 + 1 + 3 + 2 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 202753 + ... + 205919.

It is an arithmetic number, because the mean of its divisors is an integer number (12963456).

Almost surely, 2^647132112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 647132112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1037076480).

647132112 is an abundant number, since it is smaller than the sum of its proper divisors (1427020848).

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

647132112 is a wasteful number, since it uses less digits than its factorization.

647132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238 (or 3226 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 647132112 is about 25438.7914807288. The cubic root of 647132112 is about 864.9632389960.

Adding to 647132112 its reverse (211231746), we get a palindrome (858363858).

It can be divided in two parts, 6471 and 32112, that added together give a palindrome (38583).

The spelling of 647132112 in words is "six hundred forty-seven million, one hundred thirty-two thousand, one hundred twelve".