2664545063020 has 12 divisors (see below), whose sum is σ = 5595544632384. Its totient is φ = 1065818025200.

The previous prime is 2664545062969. The next prime is 2664545063023. The reversal of 2664545063020 is 203605454662.

It is not an unprimeable number, because it can be changed into a prime (2664545063023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66613626556 + ... + 66613626595.

It is an arithmetic number, because the mean of its divisors is an integer number (466295386032).

Almost surely, 2^{2664545063020} is an apocalyptic number.

2664545063020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664545063020 is an abundant number, since it is smaller than the sum of its proper divisors (2930999569364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2664545063020 is a wasteful number, since it uses less digits than its factorization.

2664545063020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133227253160 (or 133227253158 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 2664545063020 in words is "two trillion, six hundred sixty-four billion, five hundred forty-five million, sixty-three thousand, twenty".