1652297856 has 128 divisors (see below), whose sum is σ = 4804151040. Its totient is φ = 499000320.

The previous prime is 1652297819. The next prime is 1652297887. The reversal of 1652297856 is 6587922561.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1652297799 and 1652297808.

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, 1870791 + ... + 1871673.

It is an arithmetic number, because the mean of its divisors is an integer number (37532430).

Almost surely, 2^1652297856 is an apocalyptic number.

1652297856 is a gapful number since it is divisible by the number (16) 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 1652297856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2402075520).

1652297856 is an abundant number, since it is smaller than the sum of its proper divisors (3151853184).

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

1652297856 is a wasteful number, since it uses less digits than its factorization.

1652297856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1342 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 1652297856 is about 40648.4668345560. The cubic root of 1652297856 is about 1182.2140410193.

The spelling of 1652297856 in words is "one billion, six hundred fifty-two million, two hundred ninety-seven thousand, eight hundred fifty-six".