671267765324 has 24 divisors (see below), whose sum is σ = 1265315541840. Its totient is φ = 309758589504.

The previous prime is 671267765281. The next prime is 671267765327. The reversal of 671267765324 is 423567762176.

It is a self number, because there is not a number n which added to its sum of digits gives 671267765324.

It is not an unprimeable number, because it can be changed into a prime (671267765327) 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 7 ways as a sum of consecutive naturals, for example, 909299 + ... + 1472874.

It is an arithmetic number, because the mean of its divisors is an integer number (52721480910).

Almost surely, 2^671267765324 is an apocalyptic number.

It is an amenable number.

671267765324 is a deficient number, since it is larger than the sum of its proper divisors (594047776516).

671267765324 is a wasteful number, since it uses less digits than its factorization.

671267765324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387609 (or 2387607 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 56.

The spelling of 671267765324 in words is "six hundred seventy-one billion, two hundred sixty-seven million, seven hundred sixty-five thousand, three hundred twenty-four".