172076755543 has 16 divisors (see below), whose sum is σ = 214632023040. Its totient is φ = 134026552800.

The previous prime is 172076755537. The next prime is 172076755703. The reversal of 172076755543 is 345557670271.

It is a de Polignac number, because none of the positive numbers 2^k-172076755543 is a prime.

It is a super-2 number, since 2×172076755543² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172076755943) 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, 317743 + ... + 667168.

It is an arithmetic number, because the mean of its divisors is an integer number (13414501440).

Almost surely, 2^172076755543 is an apocalyptic number.

172076755543 is a deficient number, since it is larger than the sum of its proper divisors (42555267497).

172076755543 is a wasteful number, since it uses less digits than its factorization.

172076755543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987198.

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 172076755543 in words is "one hundred seventy-two billion, seventy-six million, seven hundred fifty-five thousand, five hundred forty-three".