161165526076 has 6 divisors (see below), whose sum is σ = 282039670640. Its totient is φ = 80582763036.

The previous prime is 161165526043. The next prime is 161165526089. The reversal of 161165526076 is 670625561161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20145690756 + ... + 20145690763.

Almost surely, 2^161165526076 is an apocalyptic number.

It is an amenable number.

161165526076 is a deficient number, since it is larger than the sum of its proper divisors (120874144564).

161165526076 is a wasteful number, since it uses less digits than its factorization.

161165526076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40291381523 (or 40291381521 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

It can be divided in two parts, 161165 and 526076, that added together give a square (687241 = 829²).

The spelling of 161165526076 in words is "one hundred sixty-one billion, one hundred sixty-five million, five hundred twenty-six thousand, seventy-six".