166167066 has 16 divisors (see below), whose sum is σ = 357898464. Its totient is φ = 51128304.

The previous prime is 166166981. The next prime is 166167077. The reversal of 166167066 is 660761661.

It is a super-2 number, since 2×166167066² = 55222987646096712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1065096 + ... + 1065251.

It is an arithmetic number, because the mean of its divisors is an integer number (22368654).

Almost surely, 2^166167066 is an apocalyptic number.

166167066 is an abundant number, since it is smaller than the sum of its proper divisors (191731398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

166167066 is a wasteful number, since it uses less digits than its factorization.

166167066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130365.

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

The square root of 166167066 is about 12890.5805144687. The cubic root of 166167066 is about 549.7707761048.

The spelling of 166167066 in words is "one hundred sixty-six million, one hundred sixty-seven thousand, sixty-six".