671408724555952 has 40 divisors (see below), whose sum is σ = 1345717146938400. Its totient is φ = 324126978158592.

The previous prime is 671408724555937. The next prime is 671408724555967. The reversal of 671408724555952 is 259555427804176.

It is an interprime number because it is at equal distance from previous prime (671408724555937) and next prime (671408724555967).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111302413 + ... + 117179539.

It is an arithmetic number, because the mean of its divisors is an integer number (33642928673460).

Almost surely, 2^{671408724555952} is an apocalyptic number.

It is an amenable number.

671408724555952 is an abundant number, since it is smaller than the sum of its proper divisors (674308422382448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671408724555952 is a wasteful number, since it uses less digits than its factorization.

671408724555952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6123373 (or 6123367 counting only the distinct ones).

The product of its (nonzero) digits is 846720000, while the sum is 70.

The spelling of 671408724555952 in words is "six hundred seventy-one trillion, four hundred eight billion, seven hundred twenty-four million, five hundred fifty-five thousand, nine hundred fifty-two".