7266604432638 has 8 divisors (see below), whose sum is σ = 14533208865288. Its totient is φ = 2422201477544.

The previous prime is 7266604432627. The next prime is 7266604432667. The reversal of 7266604432638 is 8362344066627.

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

7266604432638 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605550369381 + ... + 605550369392.

It is an arithmetic number, because the mean of its divisors is an integer number (1816651108161).

Almost surely, 2^{7266604432638} is an apocalyptic number.

7266604432638 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.

7266604432638 is a wasteful number, since it uses less digits than its factorization.

7266604432638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211100738778.

The product of its (nonzero) digits is 41803776, while the sum is 57.

The spelling of 7266604432638 in words is "seven trillion, two hundred sixty-six billion, six hundred four million, four hundred thirty-two thousand, six hundred thirty-eight".