2664280318138 has 16 divisors (see below), whose sum is σ = 4207883724000. Its totient is φ = 1261689921072.

The previous prime is 2664280318111. The next prime is 2664280318153. The reversal of 2664280318138 is 8318130824662.

It is a super-2 number, since 2×2664280318138² (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 7 ways as a sum of consecutive naturals, for example, 9233773 + ... + 9517936.

It is an arithmetic number, because the mean of its divisors is an integer number (262992732750).

Almost surely, 2^{2664280318138} is an apocalyptic number.

2664280318138 is a deficient number, since it is larger than the sum of its proper divisors (1543603405862).

2664280318138 is a wasteful number, since it uses less digits than its factorization.

2664280318138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18755469.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 2664280318138 in words is "two trillion, six hundred sixty-four billion, two hundred eighty million, three hundred eighteen thousand, one hundred thirty-eight".