1648085802 has 64 divisors (see below), whose sum is σ = 3827865600. Its totient is φ = 467786880.

The previous prime is 1648085779. The next prime is 1648085807. The reversal of 1648085802 is 2085808461.

It is not an unprimeable number, because it can be changed into a prime (1648085807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104223 + ... + 118989.

It is an arithmetic number, because the mean of its divisors is an integer number (59810400).

Almost surely, 2^1648085802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1648085802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913932800).

1648085802 is an abundant number, since it is smaller than the sum of its proper divisors (2179779798).

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

1648085802 is a wasteful number, since it uses less digits than its factorization.

1648085802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14891.

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 1648085802 is about 40596.6230368980. The cubic root of 1648085802 is about 1181.2086156213.

The spelling of 1648085802 in words is "one billion, six hundred forty-eight million, eighty-five thousand, eight hundred two".