166427150618 has 16 divisors (see below), whose sum is σ = 250057566720. Its totient is φ = 83074741200.

The previous prime is 166427150543. The next prime is 166427150621. The reversal of 166427150618 is 816051724661.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3063008 + ... + 3116868.

It is an arithmetic number, because the mean of its divisors is an integer number (15628597920).

Almost surely, 2^166427150618 is an apocalyptic number.

166427150618 is a deficient number, since it is larger than the sum of its proper divisors (83630416102).

166427150618 is a wasteful number, since it uses less digits than its factorization.

166427150618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56413.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 166427150618 in words is "one hundred sixty-six billion, four hundred twenty-seven million, one hundred fifty thousand, six hundred eighteen".