166192267392 has 72 divisors (see below), whose sum is σ = 478275380895. Its totient is φ = 55392810240.

The previous prime is 166192267387. The next prime is 166192267399. The reversal of 166192267392 is 293762291661.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

166192267392 is a `hidden beast` number, since 1 + 6 + 6 + 192 + 2 + 67 + 392 = 666.

It can be written as a sum of positive squares in only one way, i.e., 83096133696 + 83096133696 = 288264^2 + 288264^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=288264.

It is not an unprimeable number, because it can be changed into a prime (166192267399) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13830667 + ... + 13842677.

Almost surely, 2^166192267392 is an apocalyptic number.

166192267392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

166192267392 is an abundant number, since it is smaller than the sum of its proper divisors (312083113503).

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

166192267392 is an frugal number, since it uses more digits than its factorization.

166192267392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24042 (or 12016 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The spelling of 166192267392 in words is "one hundred sixty-six billion, one hundred ninety-two million, two hundred sixty-seven thousand, three hundred ninety-two".