161403714136 has 16 divisors (see below), whose sum is σ = 345865101840. Its totient is φ = 69173020320.

The previous prime is 161403714127. The next prime is 161403714139. The reversal of 161403714136 is 631417304161.

It is a junction number, because it is equal to n+sod(n) for n = 161403714095 and 161403714104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161403714139) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1441104535 + ... + 1441104646.

It is an arithmetic number, because the mean of its divisors is an integer number (21616568865).

Almost surely, 2^161403714136 is an apocalyptic number.

It is an amenable number.

161403714136 is an abundant number, since it is smaller than the sum of its proper divisors (184461387704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161403714136 is a wasteful number, since it uses less digits than its factorization.

161403714136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882209194 (or 2882209190 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 161403714136 in words is "one hundred sixty-one billion, four hundred three million, seven hundred fourteen thousand, one hundred thirty-six".