88149685181 has 16 divisors (see below), whose sum is σ = 89739861120. Its totient is φ = 86568081600.

The previous prime is 88149685159. The next prime is 88149685213. The reversal of 88149685181 is 18158694188.

It is a cyclic number.

It is not a de Polignac number, because 88149685181 - 2²⁶ = 88082576317 is a prime.

It is a super-2 number, since 2×88149685181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88149685181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88149885181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39404195 + ... + 39406431.

It is an arithmetic number, because the mean of its divisors is an integer number (5608741320).

Almost surely, 2^88149685181 is an apocalyptic number.

It is an amenable number.

88149685181 is a deficient number, since it is larger than the sum of its proper divisors (1590175939).

88149685181 is a wasteful number, since it uses less digits than its factorization.

88149685181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844.

The product of its digits is 4423680, while the sum is 59.

The spelling of 88149685181 in words is "eighty-eight billion, one hundred forty-nine million, six hundred eighty-five thousand, one hundred eighty-one".