2066631435 has 128 divisors (see below), whose sum is σ = 4307281920. Its totient is φ = 928972800.

The previous prime is 2066631431. The next prime is 2066631473. The reversal of 2066631435 is 5341366602.

It is not a de Polignac number, because 2066631435 - 2² = 2066631431 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2066631435.

It is not an unprimeable number, because it can be changed into a prime (2066631431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1791819 + ... + 1792971.

It is an arithmetic number, because the mean of its divisors is an integer number (33650640).

Almost surely, 2^2066631435 is an apocalyptic number.

2066631435 is an abundant number, since it is smaller than the sum of its proper divisors (2240650485).

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

2066631435 is a wasteful number, since it uses less digits than its factorization.

2066631435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1260 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2066631435 is about 45460.2181582975. The cubic root of 2066631435 is about 1273.7602065965.

The spelling of 2066631435 in words is "two billion, sixty-six million, six hundred thirty-one thousand, four hundred thirty-five".