671337148816 has 20 divisors (see below), whose sum is σ = 1300729484592. Its totient is φ = 335665023776.

The previous prime is 671337148751. The next prime is 671337148897. The reversal of 671337148816 is 618841733176.

It is a super-2 number, since 2×671337148816² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2031111 + ... + 2338393.

Almost surely, 2^671337148816 is an apocalyptic number.

It is an amenable number.

671337148816 is a deficient number, since it is larger than the sum of its proper divisors (629392335776).

671337148816 is a wasteful number, since it uses less digits than its factorization.

671337148816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443838 (or 443832 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The spelling of 671337148816 in words is "six hundred seventy-one billion, three hundred thirty-seven million, one hundred forty-eight thousand, eight hundred sixteen".