1647346056 has 64 divisors (see below), whose sum is σ = 4345924800. Its totient is φ = 518918400.

The previous prime is 1647346049. The next prime is 1647346061. The reversal of 1647346056 is 6506437461.

It is a junction number, because it is equal to n+sod(n) for n = 1647345999 and 1647346017.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187686 + ... + 196266.

It is an arithmetic number, because the mean of its divisors is an integer number (67905075).

Almost surely, 2^1647346056 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 1647346056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2172962400).

1647346056 is an abundant number, since it is smaller than the sum of its proper divisors (2698578744).

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

1647346056 is a wasteful number, since it uses less digits than its factorization.

1647346056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030 (or 9026 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 1647346056 is about 40587.5110840761. The cubic root of 1647346056 is about 1181.0318600352.

The spelling of 1647346056 in words is "one billion, six hundred forty-seven million, three hundred forty-six thousand, fifty-six".