201072070671 has 16 divisors (see below), whose sum is σ = 287755039584. Its totient is φ = 124434607104.

The previous prime is 201072070649. The next prime is 201072070721. The reversal of 201072070671 is 176070270102.

It is a happy number.

It is not a de Polignac number, because 201072070671 - 2⁶ = 201072070607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201072070631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27000316 + ... + 27007761.

It is an arithmetic number, because the mean of its divisors is an integer number (17984689974).

Almost surely, 2^201072070671 is an apocalyptic number.

201072070671 is a deficient number, since it is larger than the sum of its proper divisors (86682968913).

201072070671 is a wasteful number, since it uses less digits than its factorization.

201072070671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54008170.

The product of its (nonzero) digits is 8232, while the sum is 33.

The spelling of 201072070671 in words is "two hundred one billion, seventy-two million, seventy thousand, six hundred seventy-one".