2620011632066 has 12 divisors (see below), whose sum is σ = 4174793622258. Its totient is φ = 1232946650112.

The previous prime is 2620011632059. The next prime is 2620011632081. The reversal of 2620011632066 is 6602361100262.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2616535940041 + 3475692025 = 1617571^2 + 58955^2 .

It is a super-2 number, since 2×2620011632066² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2266445471 + ... + 2266446626.

Almost surely, 2^{2620011632066} is an apocalyptic number.

2620011632066 is a deficient number, since it is larger than the sum of its proper divisors (1554781990192).

2620011632066 is a wasteful number, since it uses less digits than its factorization.

2620011632066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532892133 (or 4532892116 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 2620011632066 in words is "two trillion, six hundred twenty billion, eleven million, six hundred thirty-two thousand, sixty-six".