161460481768 has 16 divisors (see below), whose sum is σ = 302742694980. Its totient is φ = 80729096448.

The previous prime is 161460481759. The next prime is 161460481769. The reversal of 161460481768 is 867184064161.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 159777677284 + 1682804484 = 399722^2 + 41022^2 .

It is not an unprimeable number, because it can be changed into a prime (161460481769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930130 + ... + 1089982.

Almost surely, 2^161460481768 is an apocalyptic number.

It is an amenable number.

161460481768 is a deficient number, since it is larger than the sum of its proper divisors (141282213212).

161460481768 is a wasteful number, since it uses less digits than its factorization.

161460481768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286116 (or 286112 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 161460481768 in words is "one hundred sixty-one billion, four hundred sixty million, four hundred eighty-one thousand, seven hundred sixty-eight".