172041636064 has 24 divisors (see below), whose sum is σ = 338720500440. Its totient is φ = 86017382016.

The previous prime is 172041636037. The next prime is 172041636079. The reversal of 172041636064 is 460636140271.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832947 + ... + 1018765.

It is an arithmetic number, because the mean of its divisors is an integer number (14113354185).

Almost surely, 2^172041636064 is an apocalyptic number.

It is an amenable number.

172041636064 is a deficient number, since it is larger than the sum of its proper divisors (166678864376).

172041636064 is a wasteful number, since it uses less digits than its factorization.

172041636064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214762 (or 214754 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 172041636064 in words is "one hundred seventy-two billion, forty-one million, six hundred thirty-six thousand, sixty-four".