671544309107151 has 16 divisors (see below), whose sum is σ = 1047242587302400. Its totient is φ = 424133247856824.

The previous prime is 671544309107143. The next prime is 671544309107213. The reversal of 671544309107151 is 151701903445176.

It is a happy number.

671544309107151 is a `hidden beast` number, since 6 + 7 + 1 + 5 + 4 + 430 + 91 + 0 + 71 + 51 = 666.

It is not a de Polignac number, because 671544309107151 - 2³ = 671544309107143 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 (671544309107051) 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, 654526616551 + ... + 654526617576.

It is an arithmetic number, because the mean of its divisors is an integer number (65452661706400).

Almost surely, 2^{671544309107151} is an apocalyptic number.

671544309107151 is a deficient number, since it is larger than the sum of its proper divisors (375698278195249).

671544309107151 is a wasteful number, since it uses less digits than its factorization.

671544309107151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309053234155 (or 1309053234149 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 54.

The spelling of 671544309107151 in words is "six hundred seventy-one trillion, five hundred forty-four billion, three hundred nine million, one hundred seven thousand, one hundred fifty-one".