166536006412 has 24 divisors (see below), whose sum is σ = 295818082560. Its totient is φ = 82016808720.

The previous prime is 166536006397. The next prime is 166536006421. The reversal of 166536006412 is 214600635661.

It is a super-2 number, since 2×166536006412² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3209289 + ... + 3260767.

It is an arithmetic number, because the mean of its divisors is an integer number (12325753440).

Almost surely, 2^166536006412 is an apocalyptic number.

It is an amenable number.

166536006412 is a deficient number, since it is larger than the sum of its proper divisors (129282076148).

166536006412 is a wasteful number, since it uses less digits than its factorization.

166536006412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63621 (or 63619 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 166536006412 in words is "one hundred sixty-six billion, five hundred thirty-six million, six thousand, four hundred twelve".