68176601650 has 24 divisors (see below), whose sum is σ = 128545588404. Its totient is φ = 26897068800.

The previous prime is 68176601579. The next prime is 68176601653. The reversal of 68176601650 is 5610667186.

It can be written as a sum of positive squares in 6 ways, for example, as 13304007649 + 54872594001 = 115343^2 + 234249^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68176601650.

It is not an unprimeable number, because it can be changed into a prime (68176601653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9335611 + ... + 9342910.

Almost surely, 2^68176601650 is an apocalyptic number.

68176601650 is a deficient number, since it is larger than the sum of its proper divisors (60368986754).

68176601650 is a wasteful number, since it uses less digits than its factorization.

68176601650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18678606 (or 18678601 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 68176601650 in words is "sixty-eight billion, one hundred seventy-six million, six hundred one thousand, six hundred fifty".