1646260622223 has 16 divisors (see below), whose sum is σ = 2569772679936. Its totient is φ = 917775956160.

The previous prime is 1646260622219. The next prime is 1646260622257. The reversal of 1646260622223 is 3222260626461.

It is a happy number.

It is not a de Polignac number, because 1646260622223 - 2² = 1646260622219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1646260624223) 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, 956015761 + ... + 956017482.

It is an arithmetic number, because the mean of its divisors is an integer number (160610792496).

Almost surely, 2^{1646260622223} is an apocalyptic number.

1646260622223 is a deficient number, since it is larger than the sum of its proper divisors (923512057713).

1646260622223 is a wasteful number, since it uses less digits than its factorization.

1646260622223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1912033294.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 1646260622223 in words is "one trillion, six hundred forty-six billion, two hundred sixty million, six hundred twenty-two thousand, two hundred twenty-three".