88666646668662 has 8 divisors (see below), whose sum is σ = 177333293337336. Its totient is φ = 29555548889552.

The previous prime is 88666646668513. The next prime is 88666646668667. The reversal of 88666646668662 is 26686664666688.

It is a happy number.

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

88666646668662 is an admirable number.

It is a super-5 number, since 5×88666646668662⁵ (a number of 71 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88666646668667) 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, 7388887222383 + ... + 7388887222394.

It is an arithmetic number, because the mean of its divisors is an integer number (22166661667167).

Almost surely, 2^{88666646668662} is an apocalyptic number.

88666646668662 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.

88666646668662 is a wasteful number, since it uses less digits than its factorization.

88666646668662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14777774444782.

The product of its digits is 41278242816, while the sum is 84.

The spelling of 88666646668662 in words is "eighty-eight trillion, six hundred sixty-six billion, six hundred forty-six million, six hundred sixty-eight thousand, six hundred sixty-two".