68261301624 has 32 divisors (see below), whose sum is σ = 170746974720. Its totient is φ = 22741271136.

The previous prime is 68261301587. The next prime is 68261301637. The reversal of 68261301624 is 42610316286.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736342 + ... + 823845.

It is an arithmetic number, because the mean of its divisors is an integer number (5335842960).

Almost surely, 2^68261301624 is an apocalyptic number.

It is an amenable number.

68261301624 is an abundant number, since it is smaller than the sum of its proper divisors (102485673096).

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

68261301624 is a wasteful number, since it uses less digits than its factorization.

68261301624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562019 (or 1562015 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 68261301624 in words is "sixty-eight billion, two hundred sixty-one million, three hundred one thousand, six hundred twenty-four".