671342670054 has 24 divisors (see below), whose sum is σ = 1662372326160. Its totient is φ = 191812191408.

The previous prime is 671342670023. The next prime is 671342670107. The reversal of 671342670054 is 450076243176.

It is a junction number, because it is equal to n+sod(n) for n = 671342669991 and 671342670009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2664058089 + ... + 2664058340.

It is an arithmetic number, because the mean of its divisors is an integer number (69265513590).

Almost surely, 2^671342670054 is an apocalyptic number.

671342670054 is an abundant number, since it is smaller than the sum of its proper divisors (991029656106).

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

671342670054 is a wasteful number, since it uses less digits than its factorization.

671342670054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5328116444 (or 5328116441 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 671342670054 in words is "six hundred seventy-one billion, three hundred forty-two million, six hundred seventy thousand, fifty-four".