166145354084 has 24 divisors (see below), whose sum is σ = 293557068000. Its totient is φ = 82273057664.

The previous prime is 166145354083. The next prime is 166145354087. The reversal of 166145354084 is 480453541661.

It is not an unprimeable number, because it can be changed into a prime (166145354083) 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, 436667 + ... + 723165.

It is an arithmetic number, because the mean of its divisors is an integer number (12231544500).

Almost surely, 2^166145354084 is an apocalyptic number.

It is an amenable number.

166145354084 is a deficient number, since it is larger than the sum of its proper divisors (127411713916).

166145354084 is a wasteful number, since it uses less digits than its factorization.

166145354084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287899 (or 287897 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 166145354084 in words is "one hundred sixty-six billion, one hundred forty-five million, three hundred fifty-four thousand, eighty-four".