2251666146322 has 16 divisors (see below), whose sum is σ = 3538192118400. Its totient is φ = 1073251604880.

The previous prime is 2251666146313. The next prime is 2251666146371. The reversal of 2251666146322 is 2236416661522.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245703204 + ... + 245712367.

It is an arithmetic number, because the mean of its divisors is an integer number (221137007400).

Almost surely, 2^{2251666146322} is an apocalyptic number.

2251666146322 is a deficient number, since it is larger than the sum of its proper divisors (1286525972078).

2251666146322 is a wasteful number, since it uses less digits than its factorization.

2251666146322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491415681.

The product of its digits is 1244160, while the sum is 46.

The spelling of 2251666146322 in words is "two trillion, two hundred fifty-one billion, six hundred sixty-six million, one hundred forty-six thousand, three hundred twenty-two".