345246220165 has 16 divisors (see below), whose sum is σ = 516524215680. Its totient is φ = 215218422720.

The previous prime is 345246220141. The next prime is 345246220169. The reversal of 345246220165 is 561022642543.

It is a happy number.

It is not a de Polignac number, because 345246220165 - 2¹¹ = 345246218117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345246220169) 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, 448371330 + ... + 448372099.

It is an arithmetic number, because the mean of its divisors is an integer number (32282763480).

Almost surely, 2^345246220165 is an apocalyptic number.

345246220165 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345246220165 is a deficient number, since it is larger than the sum of its proper divisors (171277995515).

345246220165 is a wasteful number, since it uses less digits than its factorization.

345246220165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896743452.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 345246220165 in words is "three hundred forty-five billion, two hundred forty-six million, two hundred twenty thousand, one hundred sixty-five".