68540590176 has 48 divisors (see below), whose sum is σ = 180420307200. Its totient is φ = 22783211648.

The previous prime is 68540590133. The next prime is 68540590201. The reversal of 68540590176 is 67109504586.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959916 + ... + 1028843.

It is an arithmetic number, because the mean of its divisors is an integer number (3758756400).

Almost surely, 2^68540590176 is an apocalyptic number.

It is an amenable number.

68540590176 is an abundant number, since it is smaller than the sum of its proper divisors (111879717024).

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

68540590176 is a wasteful number, since it uses less digits than its factorization.

68540590176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989131 (or 1989123 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 68540590176 in words is "sixty-eight billion, five hundred forty million, five hundred ninety thousand, one hundred seventy-six".