161430460676 has 6 divisors (see below), whose sum is σ = 282503306190. Its totient is φ = 80715230336.

The previous prime is 161430460619. The next prime is 161430460757. The reversal of 161430460676 is 676064034161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 141315846400 + 20114614276 = 375920^2 + 141826^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20178807581 + ... + 20178807588.

It is an arithmetic number, because the mean of its divisors is an integer number (47083884365).

Almost surely, 2^161430460676 is an apocalyptic number.

It is an amenable number.

161430460676 is a deficient number, since it is larger than the sum of its proper divisors (121072845514).

161430460676 is a wasteful number, since it uses less digits than its factorization.

161430460676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40357615173 (or 40357615171 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 161430460676 in words is "one hundred sixty-one billion, four hundred thirty million, four hundred sixty thousand, six hundred seventy-six".