161461460329 has 16 divisors (see below), whose sum is σ = 174764864512. Its totient is φ = 148285038528.

The previous prime is 161461460311. The next prime is 161461460341. The reversal of 161461460329 is 923064164161.

It is a cyclic number.

It is not a de Polignac number, because 161461460329 - 2¹³ = 161461452137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161461460399) 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, 5153299 + ... + 5184535.

It is an arithmetic number, because the mean of its divisors is an integer number (10922804032).

Almost surely, 2^161461460329 is an apocalyptic number.

It is an amenable number.

161461460329 is a deficient number, since it is larger than the sum of its proper divisors (13303404183).

161461460329 is a wasteful number, since it uses less digits than its factorization.

161461460329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33256.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 161461460329 in words is "one hundred sixty-one billion, four hundred sixty-one million, four hundred sixty thousand, three hundred twenty-nine".