161675656876 has 24 divisors (see below), whose sum is σ = 296061862320. Its totient is φ = 77168999232.

The previous prime is 161675656847. The next prime is 161675656907. The reversal of 161675656876 is 678656576161.

It is a super-2 number, since 2×161675656876² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10297846 + ... + 10313533.

It is an arithmetic number, because the mean of its divisors is an integer number (12335910930).

Almost surely, 2^161675656876 is an apocalyptic number.

It is an amenable number.

161675656876 is a deficient number, since it is larger than the sum of its proper divisors (134386205444).

161675656876 is a wasteful number, since it uses less digits than its factorization.

161675656876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20611473 (or 20611471 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 64.

The spelling of 161675656876 in words is "one hundred sixty-one billion, six hundred seventy-five million, six hundred fifty-six thousand, eight hundred seventy-six".