671159703087 has 16 divisors (see below), whose sum is σ = 1003109885280. Its totient is φ = 443480155776.

The previous prime is 671159703079. The next prime is 671159703107. The reversal of 671159703087 is 780307951176.

671159703087 is a `hidden beast` number, since 6 + 7 + 11 + 597 + 0 + 30 + 8 + 7 = 666.

It is not a de Polignac number, because 671159703087 - 2³ = 671159703079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671159703047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109987068 + ... + 109993169.

It is an arithmetic number, because the mean of its divisors is an integer number (62694367830).

Almost surely, 2^671159703087 is an apocalyptic number.

671159703087 is a deficient number, since it is larger than the sum of its proper divisors (331950182193).

671159703087 is a wasteful number, since it uses less digits than its factorization.

671159703087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219980359 (or 219980353 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 54.

The spelling of 671159703087 in words is "six hundred seventy-one billion, one hundred fifty-nine million, seven hundred three thousand, eighty-seven".