671813166662 has 16 divisors (see below), whose sum is σ = 1100210850000. Its totient is φ = 305125117440.

The previous prime is 671813166659. The next prime is 671813166677. The reversal of 671813166662 is 266661318176.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12197087 + ... + 12252042.

It is an arithmetic number, because the mean of its divisors is an integer number (68763178125).

Almost surely, 2^671813166662 is an apocalyptic number.

671813166662 is a deficient number, since it is larger than the sum of its proper divisors (428397683338).

671813166662 is a wasteful number, since it uses less digits than its factorization.

671813166662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24450391.

The product of its digits is 2612736, while the sum is 53.

The spelling of 671813166662 in words is "six hundred seventy-one billion, eight hundred thirteen million, one hundred sixty-six thousand, six hundred sixty-two".