667371275152357 has 4 divisors (see below), whose sum is σ = 667377048925260. Its totient is φ = 667365501379456.

The previous prime is 667371275152349. The next prime is 667371275152433. The reversal of 667371275152357 is 753251572173766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231495798980196 + 435875476172161 = 15214986^2 + 20877631^2 .

It is a cyclic number.

It is not a de Polignac number, because 667371275152357 - 2³ = 667371275152349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667371275152292 and 667371275152301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667371375152357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886713068 + ... + 2886944245.

It is an arithmetic number, because the mean of its divisors is an integer number (166844262231315).

Almost surely, 2^{667371275152357} is an apocalyptic number.

It is an amenable number.

667371275152357 is a deficient number, since it is larger than the sum of its proper divisors (5773772903).

667371275152357 is a wasteful number, since it uses less digits than its factorization.

667371275152357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5773772902.

The product of its digits is 388962000, while the sum is 67.

The spelling of 667371275152357 in words is "six hundred sixty-seven trillion, three hundred seventy-one billion, two hundred seventy-five million, one hundred fifty-two thousand, three hundred fifty-seven".