1648573148 has 6 divisors (see below), whose sum is σ = 2885003016. Its totient is φ = 824286572.

The previous prime is 1648573127. The next prime is 1648573151. The reversal of 1648573148 is 8413758461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206071640 + ... + 206071647.

It is an arithmetic number, because the mean of its divisors is an integer number (480833836).

Almost surely, 2^1648573148 is an apocalyptic number.

It is an amenable number.

1648573148 is a deficient number, since it is larger than the sum of its proper divisors (1236429868).

1648573148 is a wasteful number, since it uses less digits than its factorization.

1648573148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412143291 (or 412143289 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 1648573148 is about 40602.6248905166. The cubic root of 1648573148 is about 1181.3250336220.

The spelling of 1648573148 in words is "one billion, six hundred forty-eight million, five hundred seventy-three thousand, one hundred forty-eight".