1648591052 has 6 divisors (see below), whose sum is σ = 2885034348. Its totient is φ = 824295524.

The previous prime is 1648591037. The next prime is 1648591081. The reversal of 1648591052 is 2501958461.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206073878 + ... + 206073885.

It is an arithmetic number, because the mean of its divisors is an integer number (480839058).

Almost surely, 2^1648591052 is an apocalyptic number.

It is an amenable number.

1648591052 is a deficient number, since it is larger than the sum of its proper divisors (1236443296).

1648591052 is a wasteful number, since it uses less digits than its factorization.

1648591052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412147767 (or 412147765 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 41.

The square root of 1648591052 is about 40602.8453682744. The cubic root of 1648591052 is about 1181.3293101215.

The spelling of 1648591052 in words is "one billion, six hundred forty-eight million, five hundred ninety-one thousand, fifty-two".