88166729664 has 392 divisors, whose sum is σ = 287243268032. Its totient is φ = 26672302080.

The previous prime is 88166729597. The next prime is 88166729699. The reversal of 88166729664 is 46692766188.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 36997017 + ... + 36999399.

Almost surely, 2^88166729664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88166729664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143621634016).

88166729664 is an abundant number, since it is smaller than the sum of its proper divisors (199076538368).

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

88166729664 is a wasteful number, since it uses less digits than its factorization.

88166729664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487 (or 2462 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 88166729664 in words is "eighty-eight billion, one hundred sixty-six million, seven hundred twenty-nine thousand, six hundred sixty-four".