68085432954 has 128 divisors (see below), whose sum is σ = 188947814400. Its totient is φ = 17655200640.

The previous prime is 68085432937. The next prime is 68085432967. The reversal of 68085432954 is 45923458086.

68085432954 is a `hidden beast` number, since 6 + 8 + 0 + 8 + 543 + 2 + 95 + 4 = 666.

It is a super-2 number, since 2×68085432954² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 68085432954.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2552217 + ... + 2578755.

It is an arithmetic number, because the mean of its divisors is an integer number (1476154800).

Almost surely, 2^68085432954 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68085432954, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94473907200).

68085432954 is an abundant number, since it is smaller than the sum of its proper divisors (120862381446).

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

68085432954 is a wasteful number, since it uses less digits than its factorization.

68085432954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27185 (or 27179 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 68085432954 in words is "sixty-eight billion, eighty-five million, four hundred thirty-two thousand, nine hundred fifty-four".