2664013321346 has 12 divisors (see below), whose sum is σ = 4327051223682. Its totient is φ = 1229544609696.

The previous prime is 2664013321327. The next prime is 2664013321349. The reversal of 2664013321346 is 6431233104662.

It can be written as a sum of positive squares in 3 ways, for example, as 1362157423225 + 1301855898121 = 1167115^2 + 1140989^2 .

It is not an unprimeable number, because it can be changed into a prime (2664013321349) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3940847771 + ... + 3940848446.

Almost surely, 2^{2664013321346} is an apocalyptic number.

2664013321346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2664013321346 is a deficient number, since it is larger than the sum of its proper divisors (1663037902336).

2664013321346 is a wasteful number, since it uses less digits than its factorization.

2664013321346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7881696245 (or 7881696232 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 2664013321346 in words is "two trillion, six hundred sixty-four billion, thirteen million, three hundred twenty-one thousand, three hundred forty-six".