1666060167 has 8 divisors (see below), whose sum is σ = 2221726320. Its totient is φ = 1110550400.

The previous prime is 1666060147. The next prime is 1666060199. The reversal of 1666060167 is 7610606661.

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

It is a cyclic number.

It is not a de Polignac number, because 1666060167 - 2⁶ = 1666060103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1666060117) 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, 11442 + ... + 58847.

It is an arithmetic number, because the mean of its divisors is an integer number (277715790).

Almost surely, 2^1666060167 is an apocalyptic number.

1666060167 is a deficient number, since it is larger than the sum of its proper divisors (555666153).

1666060167 is an equidigital number, since it uses as much as digits as its factorization.

1666060167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78193.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1666060167 is about 40817.4002969322. The cubic root of 1666060167 is about 1185.4872670746.

The spelling of 1666060167 in words is "one billion, six hundred sixty-six million, sixty thousand, one hundred sixty-seven".