671134353663 has 8 divisors (see below), whose sum is σ = 896922014976. Its totient is φ = 446384797400.

The previous prime is 671134353641. The next prime is 671134353667. The reversal of 671134353663 is 366353431176.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671134353663 - 2¹³ = 671134345471 is a prime.

It is a super-4 number, since 4×671134353663⁴ (a number of 48 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671134353667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259524753 + ... + 259527338.

It is an arithmetic number, because the mean of its divisors is an integer number (112115251872).

Almost surely, 2^671134353663 is an apocalyptic number.

671134353663 is a deficient number, since it is larger than the sum of its proper divisors (225787661313).

671134353663 is a wasteful number, since it uses less digits than its factorization.

671134353663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519052525.

The product of its digits is 2449440, while the sum is 48.

The spelling of 671134353663 in words is "six hundred seventy-one billion, one hundred thirty-four million, three hundred fifty-three thousand, six hundred sixty-three".