1648520075 has 12 divisors (see below), whose sum is σ = 2052126840. Its totient is φ = 1313679360.

The previous prime is 1648520063. The next prime is 1648520099. The reversal of 1648520075 is 5700258461.

It is not a de Polignac number, because 1648520075 - 2¹⁴ = 1648503691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 121865 + ... + 134714.

It is an arithmetic number, because the mean of its divisors is an integer number (171010570).

Almost surely, 2^1648520075 is an apocalyptic number.

1648520075 is a deficient number, since it is larger than the sum of its proper divisors (403606765).

1648520075 is a wasteful number, since it uses less digits than its factorization.

1648520075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256846 (or 256841 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 1648520075 is about 40601.9713191367. The cubic root of 1648520075 is about 1181.3123565712.

The spelling of 1648520075 in words is "one billion, six hundred forty-eight million, five hundred twenty thousand, seventy-five".