71816327701061 has 16 divisors (see below), whose sum is σ = 74292251328000. Its totient is φ = 69382537580928.

The previous prime is 71816327701051. The next prime is 71816327701067. The reversal of 71816327701061 is 16010772361817.

It is a cyclic number.

It is not a de Polignac number, because 71816327701061 - 2³⁴ = 71799147831877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71816327701067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11825450 + ... + 16836683.

It is an arithmetic number, because the mean of its divisors is an integer number (4643265708000).

Almost surely, 2^{71816327701061} is an apocalyptic number.

It is an amenable number.

71816327701061 is a deficient number, since it is larger than the sum of its proper divisors (2475923626939).

71816327701061 is a wasteful number, since it uses less digits than its factorization.

71816327701061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28662868.

The product of its (nonzero) digits is 592704, while the sum is 50.

The spelling of 71816327701061 in words is "seventy-one trillion, eight hundred sixteen billion, three hundred twenty-seven million, seven hundred one thousand, sixty-one".