852665860627161 has 64 divisors (see below), whose sum is σ = 1346875990617600. Its totient is φ = 469466448998400.

The previous prime is 852665860627069. The next prime is 852665860627193. The reversal of 852665860627161 is 161726068566258.

It is not a de Polignac number, because 852665860627161 - 2⁹ = 852665860626649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (852665860627961) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1555149055 + ... + 1555697243.

It is an arithmetic number, because the mean of its divisors is an integer number (21044937353400).

Almost surely, 2^{852665860627161} is an apocalyptic number.

It is an amenable number.

852665860627161 is a deficient number, since it is larger than the sum of its proper divisors (494210129990439).

852665860627161 is a wasteful number, since it uses less digits than its factorization.

852665860627161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553490.

The product of its (nonzero) digits is 348364800, while the sum is 69.

The spelling of 852665860627161 in words is "eight hundred fifty-two trillion, six hundred sixty-five billion, eight hundred sixty million, six hundred twenty-seven thousand, one hundred sixty-one".