345161880472 has 8 divisors (see below), whose sum is σ = 647178525900. Its totient is φ = 172580940232.

The previous prime is 345161880467. The next prime is 345161880499. The reversal of 345161880472 is 274088161543.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572617522 + ... + 21572617537.

Almost surely, 2^345161880472 is an apocalyptic number.

It is an amenable number.

345161880472 is a deficient number, since it is larger than the sum of its proper divisors (302016645428).

345161880472 is a wasteful number, since it uses less digits than its factorization.

345161880472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43145235065 (or 43145235061 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 345161880472 in words is "three hundred forty-five billion, one hundred sixty-one million, eight hundred eighty thousand, four hundred seventy-two".