2160421450006 has 8 divisors (see below), whose sum is σ = 3240662303160. Its totient is φ = 1080200682288.

The previous prime is 2160421449973. The next prime is 2160421450007. The reversal of 2160421450006 is 6000541240612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2160421450006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160421450007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4749511 + ... + 5184466.

It is an arithmetic number, because the mean of its divisors is an integer number (405082787895).

Almost surely, 2^{2160421450006} is an apocalyptic number.

2160421450006 is a deficient number, since it is larger than the sum of its proper divisors (1080240853154).

2160421450006 is a wasteful number, since it uses less digits than its factorization.

2160421450006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10042718.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 2160421450006 its reverse (6000541240612), we get a palindrome (8160962690618).

The spelling of 2160421450006 in words is "two trillion, one hundred sixty billion, four hundred twenty-one million, four hundred fifty thousand, six".