161314707436 has 24 divisors (see below), whose sum is σ = 298123789824. Its totient is φ = 76220984400.

The previous prime is 161314707431. The next prime is 161314707481. The reversal of 161314707436 is 634707413161.

It is a junction number, because it is equal to n+sod(n) for n = 161314707392 and 161314707401.

It is not an unprimeable number, because it can be changed into a prime (161314707431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10555140 + ... + 10570411.

It is an arithmetic number, because the mean of its divisors is an integer number (12421824576).

Almost surely, 2^161314707436 is an apocalyptic number.

It is an amenable number.

161314707436 is a deficient number, since it is larger than the sum of its proper divisors (136809082388).

161314707436 is a wasteful number, since it uses less digits than its factorization.

161314707436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21125661 (or 21125659 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 161314707436 in words is "one hundred sixty-one billion, three hundred fourteen million, seven hundred seven thousand, four hundred thirty-six".