671267572107 has 24 divisors (see below), whose sum is σ = 1037202378432. Its totient is φ = 382897718400.

The previous prime is 671267572097. The next prime is 671267572121. The reversal of 671267572107 is 701275762176.

It is not a de Polignac number, because 671267572107 - 2⁶ = 671267572043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 671267572107.

It is not an unprimeable number, because it can be changed into a prime (671267572127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35183269 + ... + 35202342.

It is an arithmetic number, because the mean of its divisors is an integer number (43216765768).

Almost surely, 2^671267572107 is an apocalyptic number.

671267572107 is a deficient number, since it is larger than the sum of its proper divisors (365934806325).

671267572107 is a wasteful number, since it uses less digits than its factorization.

671267572107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70385659 (or 70385642 counting only the distinct ones).

The product of its (nonzero) digits is 1728720, while the sum is 51.

The spelling of 671267572107 in words is "six hundred seventy-one billion, two hundred sixty-seven million, five hundred seventy-two thousand, one hundred seven".