2664325421506 has 48 divisors (see below), whose sum is σ = 4808602955520. Its totient is φ = 1103187919680.

The previous prime is 2664325421503. The next prime is 2664325421557. The reversal of 2664325421506 is 6051245234662.

It is not an unprimeable number, because it can be changed into a prime (2664325421503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2805066 + ... + 3632773.

It is an arithmetic number, because the mean of its divisors is an integer number (100179228240).

Almost surely, 2^{2664325421506} is an apocalyptic number.

2664325421506 is a deficient number, since it is larger than the sum of its proper divisors (2144277534014).

2664325421506 is a wasteful number, since it uses less digits than its factorization.

2664325421506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6437999 (or 6437992 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 2664325421506 in words is "two trillion, six hundred sixty-four billion, three hundred twenty-five million, four hundred twenty-one thousand, five hundred six".