161430460677 has 16 divisors (see below), whose sum is σ = 243209736000. Its totient is φ = 105796233072.

The previous prime is 161430460619. The next prime is 161430460757. The reversal of 161430460677 is 776064034161.

161430460677 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 30 + 4 + 606 + 7 + 7 = 666.

It is not a de Polignac number, because 161430460677 - 2⁶ = 161430460613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161430460277) 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, 50667102 + ... + 50670287.

It is an arithmetic number, because the mean of its divisors is an integer number (15200608500).

Almost surely, 2^161430460677 is an apocalyptic number.

It is an amenable number.

161430460677 is a deficient number, since it is larger than the sum of its proper divisors (81779275323).

161430460677 is a wasteful number, since it uses less digits than its factorization.

161430460677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101337457 (or 101337451 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 161430460677 in words is "one hundred sixty-one billion, four hundred thirty million, four hundred sixty thousand, six hundred seventy-seven".