2690600066 has 32 divisors (see below), whose sum is σ = 5034953088. Its totient is φ = 1047623040.

The previous prime is 2690600063. The next prime is 2690600071. The reversal of 2690600066 is 6600060962.

It is a super-4 number, since 4×2690600066⁴ (a number of 39 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2690599999 and 2690600035.

It is not an unprimeable number, because it can be changed into a prime (2690600063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290036 + ... + 299168.

It is an arithmetic number, because the mean of its divisors is an integer number (157342284).

Almost surely, 2^2690600066 is an apocalyptic number.

2690600066 is a deficient number, since it is larger than the sum of its proper divisors (2344353022).

2690600066 is a wasteful number, since it uses less digits than its factorization.

2690600066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11066.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 2690600066 is about 51870.9944574036. The cubic root of 2690600066 is about 1390.8588219516.

The spelling of 2690600066 in words is "two billion, six hundred ninety million, six hundred thousand, sixty-six".