2642536556466 has 8 divisors (see below), whose sum is σ = 5285073112944. Its totient is φ = 880845518820.

The previous prime is 2642536556461. The next prime is 2642536556497. The reversal of 2642536556466 is 6646556352462.

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

2642536556466 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2642536556461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220211379700 + ... + 220211379711.

It is an arithmetic number, because the mean of its divisors is an integer number (660634139118).

Almost surely, 2^{2642536556466} is an apocalyptic number.

2642536556466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2642536556466 is a wasteful number, since it uses less digits than its factorization.

2642536556466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440422759416.

The product of its digits is 186624000, while the sum is 60.

The spelling of 2642536556466 in words is "two trillion, six hundred forty-two billion, five hundred thirty-six million, five hundred fifty-six thousand, four hundred sixty-six".