667473550252166 has 8 divisors (see below), whose sum is σ = 1144240371860880. Its totient is φ = 286060092965208.

The previous prime is 667473550252151. The next prime is 667473550252183. The reversal of 667473550252166 is 661252055374766.

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, 23838341080421 + ... + 23838341080448.

It is an arithmetic number, because the mean of its divisors is an integer number (143030046482610).

Almost surely, 2^{667473550252166} is an apocalyptic number.

667473550252166 is a deficient number, since it is larger than the sum of its proper divisors (476766821608714).

667473550252166 is a wasteful number, since it uses less digits than its factorization.

667473550252166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47676682160878.

The product of its (nonzero) digits is 381024000, while the sum is 65.

The spelling of 667473550252166 in words is "six hundred sixty-seven trillion, four hundred seventy-three billion, five hundred fifty million, two hundred fifty-two thousand, one hundred sixty-six".