2166042016135 has 32 divisors (see below), whose sum is σ = 2614174516800. Its totient is φ = 1722921919488.

The previous prime is 2166042016079. The next prime is 2166042016183. The reversal of 2166042016135 is 5316102406612.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2166042016135 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2166042016094 and 2166042016103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1490737069 + ... + 1490738521.

It is an arithmetic number, because the mean of its divisors is an integer number (81692953650).

Almost surely, 2^{2166042016135} is an apocalyptic number.

2166042016135 is a deficient number, since it is larger than the sum of its proper divisors (448132500665).

2166042016135 is a wasteful number, since it uses less digits than its factorization.

2166042016135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3667.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 2166042016135 in words is "two trillion, one hundred sixty-six billion, forty-two million, sixteen thousand, one hundred thirty-five".