65148585858 has 12 divisors (see below), whose sum is σ = 141155269398. Its totient is φ = 21716195280.

The previous prime is 65148585839. The next prime is 65148585889. The reversal of 65148585858 is 85858584156.

It is a happy number.

65148585858 is a `hidden beast` number, since 6 + 5 + 1 + 48 + 5 + 8 + 585 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 58814495289 + 6334090569 = 242517^2 + 79587^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65148585795 and 65148585804.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1809682923 + ... + 1809682958.

Almost surely, 2^65148585858 is an apocalyptic number.

65148585858 is an abundant number, since it is smaller than the sum of its proper divisors (76006683540).

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

65148585858 is a wasteful number, since it uses less digits than its factorization.

65148585858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3619365889 (or 3619365886 counting only the distinct ones).

The product of its digits is 61440000, while the sum is 63.

The spelling of 65148585858 in words is "sixty-five billion, one hundred forty-eight million, five hundred eighty-five thousand, eight hundred fifty-eight".