4061658712528 has 20 divisors (see below), whose sum is σ = 7900084245060. Its totient is φ = 2022927294464.

The previous prime is 4061658712457. The next prime is 4061658712571. The reversal of 4061658712528 is 8252178561604.

It can be written as a sum of positive squares in 2 ways, for example, as 3912594768784 + 149063943744 = 1978028^2 + 386088^2 .

It is a super-2 number, since 2×4061658712528² (a number of 26 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 3 ways as a sum of consecutive naturals, for example, 493874623 + ... + 493882846.

It is an arithmetic number, because the mean of its divisors is an integer number (395004212253).

Almost surely, 2^{4061658712528} is an apocalyptic number.

It is an amenable number.

4061658712528 is a deficient number, since it is larger than the sum of its proper divisors (3838425532532).

4061658712528 is a wasteful number, since it uses less digits than its factorization.

4061658712528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987757734 (or 987757728 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 4061658712528 in words is "four trillion, sixty-one billion, six hundred fifty-eight million, seven hundred twelve thousand, five hundred twenty-eight".