161460147729 has 16 divisors (see below), whose sum is σ = 232386422400. Its totient is φ = 99409744896.

The previous prime is 161460147721. The next prime is 161460147917. The reversal of 161460147729 is 927741064161.

It is not a de Polignac number, because 161460147729 - 2³ = 161460147721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161460147721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40342864 + ... + 40346865.

It is an arithmetic number, because the mean of its divisors is an integer number (14524151400).

Almost surely, 2^161460147729 is an apocalyptic number.

It is an amenable number.

161460147729 is a deficient number, since it is larger than the sum of its proper divisors (70926274671).

161460147729 is a wasteful number, since it uses less digits than its factorization.

161460147729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80689784.

The product of its (nonzero) digits is 508032, while the sum is 48.

The spelling of 161460147729 in words is "one hundred sixty-one billion, four hundred sixty million, one hundred forty-seven thousand, seven hundred twenty-nine".