345648166656573 has 16 divisors (see below), whose sum is σ = 502764033635136. Its totient is φ = 209482460720640.

The previous prime is 345648166656521. The next prime is 345648166656577. The reversal of 345648166656573 is 375656661846543.

It is not a de Polignac number, because 345648166656573 - 2¹³ = 345648166648381 is a prime.

It is a super-2 number, since 2×345648166656573² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345648166656495 and 345648166656504.

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 15 ways as a sum of consecutive naturals, for example, 26404990 + ... + 37262847.

It is an arithmetic number, because the mean of its divisors is an integer number (31422752102196).

Almost surely, 2^{345648166656573} is an apocalyptic number.

345648166656573 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

345648166656573 is a deficient number, since it is larger than the sum of its proper divisors (157115866978563).

345648166656573 is a wasteful number, since it uses less digits than its factorization.

345648166656573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63832364.

The product of its digits is 7838208000, while the sum is 75.

The spelling of 345648166656573 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-three".