667271499998 has 8 divisors (see below), whose sum is σ = 1001775343008. Its totient is φ = 333346385664.

The previous prime is 667271499977. The next prime is 667271500003. The reversal of 667271499998 is 899994172766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 144679286 + ... + 144683897.

It is an arithmetic number, because the mean of its divisors is an integer number (125221917876).

Almost surely, 2^667271499998 is an apocalyptic number.

667271499998 is a deficient number, since it is larger than the sum of its proper divisors (334503843010).

667271499998 is a wasteful number, since it uses less digits than its factorization.

667271499998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289364338.

The product of its digits is 740710656, while the sum is 77.

The spelling of 667271499998 in words is "six hundred sixty-seven billion, two hundred seventy-one million, four hundred ninety-nine thousand, nine hundred ninety-eight".