345648166656574 has 12 divisors (see below), whose sum is σ = 529738283490624. Its totient is φ = 169146975170204.

The previous prime is 345648166656521. The next prime is 345648166656577. The reversal of 345648166656574 is 475656661846543.

It is a super-2 number, since 2×345648166656574² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345648166656574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345648166656577) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39118167454 + ... + 39118176289.

It is an arithmetic number, because the mean of its divisors is an integer number (44144856957552).

Almost surely, 2^{345648166656574} is an apocalyptic number.

345648166656574 is a deficient number, since it is larger than the sum of its proper divisors (184090116834050).

345648166656574 is an equidigital number, since it uses as much as digits as its factorization.

345648166656574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78236343839 (or 78236343792 counting only the distinct ones).

The product of its digits is 10450944000, while the sum is 76.

The spelling of 345648166656574 in words is "three hundred forty-five trillion, six hundred forty-eight billion, one hundred sixty-six million, six hundred fifty-six thousand, five hundred seventy-four".