164546039618 has 8 divisors (see below), whose sum is σ = 247729831680. Its totient is φ = 81969429060.

The previous prime is 164546039611. The next prime is 164546039629. The reversal of 164546039618 is 816930645461.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164546039618.

It is not an unprimeable number, because it can be changed into a prime (164546039611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151794698 + ... + 151795781.

It is an arithmetic number, because the mean of its divisors is an integer number (30966228960).

Almost surely, 2^164546039618 is an apocalyptic number.

164546039618 is a deficient number, since it is larger than the sum of its proper divisors (83183792062).

164546039618 is a wasteful number, since it uses less digits than its factorization.

164546039618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303590752.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 164546039618 in words is "one hundred sixty-four billion, five hundred forty-six million, thirty-nine thousand, six hundred eighteen".