2142660541406 has 64 divisors (see below), whose sum is σ = 4113068889600. Its totient is φ = 812987280000.

The previous prime is 2142660541403. The next prime is 2142660541459. The reversal of 2142660541406 is 6041450662412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142660541403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180356 + ... + 2077943.

It is an arithmetic number, because the mean of its divisors is an integer number (64266701400).

Almost surely, 2^{2142660541406} is an apocalyptic number.

2142660541406 is a deficient number, since it is larger than the sum of its proper divisors (1970408348194).

2142660541406 is a wasteful number, since it uses less digits than its factorization.

2142660541406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258481.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 2142660541406 in words is "two trillion, one hundred forty-two billion, six hundred sixty million, five hundred forty-one thousand, four hundred six".