648527725846 has 32 divisors (see below), whose sum is σ = 1306125773568. Its totient is φ = 233236743840.

The previous prime is 648527725823. The next prime is 648527725883.

648527725846 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×648527725846² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161967960 + ... + 161971963.

It is an arithmetic number, because the mean of its divisors is an integer number (40816430424).

Almost surely, 2^648527725846 is an apocalyptic number.

648527725846 is an abundant number, since it is smaller than the sum of its proper divisors (657598047722).

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

648527725846 is a wasteful number, since it uses less digits than its factorization.

648527725846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323939956.

The product of its digits is 180633600, while the sum is 64.

The spelling of 648527725846 in words is "six hundred forty-eight billion, five hundred twenty-seven million, seven hundred twenty-five thousand, eight hundred forty-six".