88269191681 has 24 divisors (see below), whose sum is σ = 102330025920. Its totient is φ = 75495776000.

The previous prime is 88269191677. The next prime is 88269191687. The reversal of 88269191681 is 18619196288.

It is not a de Polignac number, because 88269191681 - 2² = 88269191677 is a prime.

It is a super-2 number, since 2×88269191681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88269191681.

It is not an unprimeable number, because it can be changed into a prime (88269191687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16493156 + ... + 16498506.

It is an arithmetic number, because the mean of its divisors is an integer number (4263751080).

Almost surely, 2^88269191681 is an apocalyptic number.

It is an amenable number.

88269191681 is a deficient number, since it is larger than the sum of its proper divisors (14060834239).

88269191681 is a wasteful number, since it uses less digits than its factorization.

88269191681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10585 (or 10568 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 59.

The spelling of 88269191681 in words is "eighty-eight billion, two hundred sixty-nine million, one hundred ninety-one thousand, six hundred eighty-one".