68642040606602 has 32 divisors (see below), whose sum is σ = 111132259200000. Its totient is φ = 31676806556928.

The previous prime is 68642040606571. The next prime is 68642040606683. The reversal of 68642040606602 is 20660604024686.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5925602 + ... + 13129997.

It is an arithmetic number, because the mean of its divisors is an integer number (3472883100000).

Almost surely, 2^{68642040606602} is an apocalyptic number.

68642040606602 is a deficient number, since it is larger than the sum of its proper divisors (42490218593398).

68642040606602 is a wasteful number, since it uses less digits than its factorization.

68642040606602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19057670.

The product of its (nonzero) digits is 3981312, while the sum is 50.

The spelling of 68642040606602 in words is "sixty-eight trillion, six hundred forty-two billion, forty million, six hundred six thousand, six hundred two".