5290662660638 has 8 divisors (see below), whose sum is σ = 7937155433088. Its totient is φ = 2644944182944.

The previous prime is 5290662660617. The next prime is 5290662660653. The reversal of 5290662660638 is 8360662660925.

It is a happy number.

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

It is a super-2 number, since 2×5290662660638² (a number of 26 digits) contains 22 as substring.

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, 193556606 + ... + 193583937.

It is an arithmetic number, because the mean of its divisors is an integer number (992144429136).

Almost surely, 2^{5290662660638} is an apocalyptic number.

5290662660638 is a deficient number, since it is larger than the sum of its proper divisors (2646492772450).

5290662660638 is a wasteful number, since it uses less digits than its factorization.

5290662660638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387147378.

The product of its (nonzero) digits is 33592320, while the sum is 59.

The spelling of 5290662660638 in words is "five trillion, two hundred ninety billion, six hundred sixty-two million, six hundred sixty thousand, six hundred thirty-eight".