2066666602 has 64 divisors (see below), whose sum is σ = 4259211264. Its totient is φ = 725941440.

The previous prime is 2066666599. The next prime is 2066666603.

2066666602 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×2066666602² = 8542221687644452808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2066666603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74083 + ... + 98089.

It is an arithmetic number, because the mean of its divisors is an integer number (66550176).

Almost surely, 2^2066666602 is an apocalyptic number.

2066666602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2066666602 is an abundant number, since it is smaller than the sum of its proper divisors (2192544662).

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

2066666602 is a wasteful number, since it uses less digits than its factorization.

2066666602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24083.

The product of its (nonzero) digits is 186624, while the sum is 40.

The square root of 2066666602 is about 45460.6049453810. The cubic root of 2066666602 is about 1273.7674315698.

The spelling of 2066666602 in words is "two billion, sixty-six million, six hundred sixty-six thousand, six hundred two".