671115660753 has 16 divisors (see below), whose sum is σ = 956312153280. Its totient is φ = 417156734976.

The previous prime is 671115660749. The next prime is 671115660797. The reversal of 671115660753 is 357066511176.

It is not a de Polignac number, because 671115660753 - 2² = 671115660749 is a prime.

It is a super-3 number, since 3×671115660753³ (a number of 36 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (671115660053) 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, 61485808 + ... + 61496721.

It is an arithmetic number, because the mean of its divisors is an integer number (59769509580).

Almost surely, 2^671115660753 is an apocalyptic number.

It is an amenable number.

671115660753 is a deficient number, since it is larger than the sum of its proper divisors (285196492527).

671115660753 is a wasteful number, since it uses less digits than its factorization.

671115660753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122982656.

The product of its (nonzero) digits is 793800, while the sum is 48.

The spelling of 671115660753 in words is "six hundred seventy-one billion, one hundred fifteen million, six hundred sixty thousand, seven hundred fifty-three".