671044601677125 has 96 divisors (see below), whose sum is σ = 1269133088880384. Its totient is φ = 312973027977600.

The previous prime is 671044601677117. The next prime is 671044601677133. The reversal of 671044601677125 is 521776106440176.

It is a happy number.

671044601677125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (671044601677117) and next prime (671044601677133).

It is not a de Polignac number, because 671044601677125 - 2³ = 671044601677117 is a prime.

It is a super-2 number, since 2×671044601677125² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 188891337 + ... + 192411086.

It is an arithmetic number, because the mean of its divisors is an integer number (13220136342504).

Almost surely, 2^{671044601677125} is an apocalyptic number.

671044601677125 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

671044601677125 is a deficient number, since it is larger than the sum of its proper divisors (598088487203259).

671044601677125 is a wasteful number, since it uses less digits than its factorization.

671044601677125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381302492 (or 381302463 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 671044601677125 in words is "six hundred seventy-one trillion, forty-four billion, six hundred one million, six hundred seventy-seven thousand, one hundred twenty-five".