161760025436 has 6 divisors (see below), whose sum is σ = 283080044520. Its totient is φ = 80880012716.

The previous prime is 161760025429. The next prime is 161760025439. The reversal of 161760025436 is 634520067161.

161760025436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 161760025393 and 161760025402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161760025439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20220003176 + ... + 20220003183.

It is an arithmetic number, because the mean of its divisors is an integer number (47180007420).

Almost surely, 2^161760025436 is an apocalyptic number.

It is an amenable number.

161760025436 is a deficient number, since it is larger than the sum of its proper divisors (121320019084).

161760025436 is a wasteful number, since it uses less digits than its factorization.

161760025436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40440006363 (or 40440006361 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 161760025436 in words is "one hundred sixty-one billion, seven hundred sixty million, twenty-five thousand, four hundred thirty-six".