2066156401335 has 128 divisors (see below), whose sum is σ = 3654782208000. Its totient is φ = 990557890560.

The previous prime is 2066156401327. The next prime is 2066156401339. The reversal of 2066156401335 is 5331046516602.

It is not a de Polignac number, because 2066156401335 - 2³ = 2066156401327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2066156401339) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 526675684 + ... + 526679606.

It is an arithmetic number, because the mean of its divisors is an integer number (28552986000).

Almost surely, 2^{2066156401335} is an apocalyptic number.

2066156401335 is a deficient number, since it is larger than the sum of its proper divisors (1588625806665).

2066156401335 is a wasteful number, since it uses less digits than its factorization.

2066156401335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 2066156401335 in words is "two trillion, sixty-six billion, one hundred fifty-six million, four hundred one thousand, three hundred thirty-five".