3455220663346 has 16 divisors (see below), whose sum is σ = 5226414782400. Its totient is φ = 1713112389648.

The previous prime is 3455220663329. The next prime is 3455220663347. The reversal of 3455220663346 is 6433660225543.

It is a self number, because there is not a number n which added to its sum of digits gives 3455220663346.

It is not an unprimeable number, because it can be changed into a prime (3455220663347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7265830 + ... + 7726753.

It is an arithmetic number, because the mean of its divisors is an integer number (326650923900).

Almost surely, 2^{3455220663346} is an apocalyptic number.

3455220663346 is a deficient number, since it is larger than the sum of its proper divisors (1771194119054).

3455220663346 is a wasteful number, since it uses less digits than its factorization.

3455220663346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14993553.

The product of its (nonzero) digits is 9331200, while the sum is 49.

Adding to 3455220663346 its reverse (6433660225543), we get a palindrome (9888880888889).

The spelling of 3455220663346 in words is "three trillion, four hundred fifty-five billion, two hundred twenty million, six hundred sixty-three thousand, three hundred forty-six".