2664166155331 has 8 divisors (see below), whose sum is σ = 2667634230384. Its totient is φ = 2660700245280.

The previous prime is 2664166155317. The next prime is 2664166155341. The reversal of 2664166155331 is 1335516614662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2664166155331 is a prime.

It is a super-2 number, since 2×2664166155331² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664166155341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928796 + ... + 3008086.

It is an arithmetic number, because the mean of its divisors is an integer number (333454278798).

Almost surely, 2^{2664166155331} is an apocalyptic number.

2664166155331 is a deficient number, since it is larger than the sum of its proper divisors (3468075053).

2664166155331 is a wasteful number, since it uses less digits than its factorization.

2664166155331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082501.

The product of its digits is 2332800, while the sum is 49.

The spelling of 2664166155331 in words is "two trillion, six hundred sixty-four billion, one hundred sixty-six million, one hundred fifty-five thousand, three hundred thirty-one".