2066431553274 has 32 divisors (see below), whose sum is σ = 4538436088320. Its totient is φ = 622044414000.

The previous prime is 2066431553171. The next prime is 2066431553327. The reversal of 2066431553274 is 4723551346602.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103664104 + ... + 103684035.

It is an arithmetic number, because the mean of its divisors is an integer number (141826127760).

Almost surely, 2^{2066431553274} is an apocalyptic number.

2066431553274 is an abundant number, since it is smaller than the sum of its proper divisors (2472004535046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2066431553274 is a wasteful number, since it uses less digits than its factorization.

2066431553274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207348306.

The product of its (nonzero) digits is 3628800, while the sum is 48.

Adding to 2066431553274 its reverse (4723551346602), we get a palindrome (6789982899876).

The spelling of 2066431553274 in words is "two trillion, sixty-six billion, four hundred thirty-one million, five hundred fifty-three thousand, two hundred seventy-four".