12167157066 has 8 divisors (see below), whose sum is σ = 24334314144. Its totient is φ = 4055719020.

The previous prime is 12167157043. The next prime is 12167157127. The reversal of 12167157066 is 66075176121.

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

12167157066 is an admirable number.

It is a super-2 number, since 2×12167157066² (a number of 21 digits) contains 22 as substring.

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, 1013929750 + ... + 1013929761.

It is an arithmetic number, because the mean of its divisors is an integer number (3041789268).

Almost surely, 2^12167157066 is an apocalyptic number.

12167157066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12167157066 is a wasteful number, since it uses less digits than its factorization.

12167157066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2027859516.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 12167157066 in words is "twelve billion, one hundred sixty-seven million, one hundred fifty-seven thousand, sixty-six".