671913461416 has 32 divisors (see below), whose sum is σ = 1321133610600. Its totient is φ = 319928555520.

The previous prime is 671913461399. The next prime is 671913461419. The reversal of 671913461416 is 614164319176.

It can be written as a sum of positive squares in 4 ways, for example, as 671819565316 + 93896100 = 819646^2 + 9690^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 671913461416.

It is not an unprimeable number, because it can be changed into a prime (671913461419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19819905 + ... + 19853776.

Almost surely, 2^671913461416 is an apocalyptic number.

It is an amenable number.

671913461416 is a deficient number, since it is larger than the sum of its proper divisors (649220149184).

671913461416 is a wasteful number, since it uses less digits than its factorization.

671913461416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39673789 (or 39673785 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The spelling of 671913461416 in words is "six hundred seventy-one billion, nine hundred thirteen million, four hundred sixty-one thousand, four hundred sixteen".