1645422210068 has 48 divisors (see below), whose sum is σ = 3546243410304. Its totient is φ = 650521687680.

The previous prime is 1645422210049. The next prime is 1645422210101. The reversal of 1645422210068 is 8600122245461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866855 + ... + 2010542.

It is an arithmetic number, because the mean of its divisors is an integer number (73880071048).

Almost surely, 2^{1645422210068} is an apocalyptic number.

It is an amenable number.

1645422210068 is an abundant number, since it is smaller than the sum of its proper divisors (1900821200236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1645422210068 is a wasteful number, since it uses less digits than its factorization.

1645422210068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878992 (or 2878990 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 1645422210068 in words is "one trillion, six hundred forty-five billion, four hundred twenty-two million, two hundred ten thousand, sixty-eight".