667256160473 has 8 divisors (see below), whose sum is σ = 766449427392. Its totient is φ = 569030633136.

The previous prime is 667256160469. The next prime is 667256160569. The reversal of 667256160473 is 374061652766.

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

It is not a de Polignac number, because 667256160473 - 2² = 667256160469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667256160173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241933415 + ... + 241936172.

It is an arithmetic number, because the mean of its divisors is an integer number (95806178424).

Almost surely, 2^667256160473 is an apocalyptic number.

It is an amenable number.

667256160473 is a deficient number, since it is larger than the sum of its proper divisors (99193266919).

667256160473 is a wasteful number, since it uses less digits than its factorization.

667256160473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483869791.

The product of its (nonzero) digits is 7620480, while the sum is 53.

The spelling of 667256160473 in words is "six hundred sixty-seven billion, two hundred fifty-six million, one hundred sixty thousand, four hundred seventy-three".