671652362853 has 32 divisors (see below), whose sum is σ = 1011983681280. Its totient is φ = 440152989120.

The previous prime is 671652362819. The next prime is 671652362861. The reversal of 671652362853 is 358263256176.

671652362853 is a `hidden beast` number, since 6 + 7 + 1 + 6 + 5 + 2 + 3 + 628 + 5 + 3 = 666.

671652362853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 671652362853 - 2⁸ = 671652362597 is a prime.

It is a super-2 number, since 2×671652362853² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 671652362853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671652362863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2530200 + ... + 2783022.

It is an arithmetic number, because the mean of its divisors is an integer number (31624490040).

Almost surely, 2^671652362853 is an apocalyptic number.

It is an amenable number.

671652362853 is a deficient number, since it is larger than the sum of its proper divisors (340331318427).

671652362853 is a wasteful number, since it uses less digits than its factorization.

671652362853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254506 (or 254500 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 671652362853 in words is "six hundred seventy-one billion, six hundred fifty-two million, three hundred sixty-two thousand, eight hundred fifty-three".