2142245050066 has 24 divisors (see below), whose sum is σ = 3532124089872. Its totient is φ = 973726954200.

The previous prime is 2142245050051. The next prime is 2142245050067. The reversal of 2142245050066 is 6600505422412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2142245050067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20617641 + ... + 20721283.

It is an arithmetic number, because the mean of its divisors is an integer number (147171837078).

Almost surely, 2^{2142245050066} is an apocalyptic number.

2142245050066 is a deficient number, since it is larger than the sum of its proper divisors (1389879039806).

2142245050066 is a wasteful number, since it uses less digits than its factorization.

2142245050066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189078 (or 189067 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 2142245050066 in words is "two trillion, one hundred forty-two billion, two hundred forty-five million, fifty thousand, sixty-six".