345161717188 has 12 divisors (see below), whose sum is σ = 618765517692. Its totient is φ = 168371569280.

The previous prime is 345161717179. The next prime is 345161717261. The reversal of 345161717188 is 881717161543.

It can be written as a sum of positive squares in 2 ways, for example, as 147641914564 + 197519802624 = 384242^2 + 444432^2 .

It is a super-2 number, since 2×345161717188² (a number of 24 digits) contains 22 as substring.

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, 1052322145 + ... + 1052322472.

It is an arithmetic number, because the mean of its divisors is an integer number (51563793141).

Almost surely, 2^345161717188 is an apocalyptic number.

It is an amenable number.

345161717188 is a deficient number, since it is larger than the sum of its proper divisors (273603800504).

345161717188 is a wasteful number, since it uses less digits than its factorization.

345161717188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104644662 (or 2104644660 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 52.

The spelling of 345161717188 in words is "three hundred forty-five billion, one hundred sixty-one million, seven hundred seventeen thousand, one hundred eighty-eight".