161793177024 has 28 divisors (see below), whose sum is σ = 428077781384. Its totient is φ = 53931058944.

The previous prime is 161793176969. The next prime is 161793177031. The reversal of 161793177024 is 420771397161.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421336207 + ... + 421336590.

Almost surely, 2^161793177024 is an apocalyptic number.

It is an amenable number.

161793177024 is an abundant number, since it is smaller than the sum of its proper divisors (266284604360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161793177024 is an equidigital number, since it uses as much as digits as its factorization.

161793177024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842672812 (or 842672802 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 48.

The spelling of 161793177024 in words is "one hundred sixty-one billion, seven hundred ninety-three million, one hundred seventy-seven thousand, twenty-four".