1648565796 has 24 divisors (see below), whose sum is σ = 3928498560. Its totient is φ = 537829792.

The previous prime is 1648565773. The next prime is 1648565797. The reversal of 1648565796 is 6975658461.

It is a super-2 number, since 2×1648565796² = 5435538367482227232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1648565797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460931 + ... + 1462058.

It is an arithmetic number, because the mean of its divisors is an integer number (163687440).

Almost surely, 2^1648565796 is an apocalyptic number.

It is an amenable number.

1648565796 is an abundant number, since it is smaller than the sum of its proper divisors (2279932764).

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

1648565796 is a wasteful number, since it uses less digits than its factorization.

1648565796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923043 (or 2923041 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 57.

The square root of 1648565796 is about 40602.5343543971. The cubic root of 1648565796 is about 1181.3232775348.

The spelling of 1648565796 in words is "one billion, six hundred forty-eight million, five hundred sixty-five thousand, seven hundred ninety-six".