164406440201156 has 12 divisors (see below), whose sum is σ = 296992279073280. Its totient is φ = 79551503323080.

The previous prime is 164406440201131. The next prime is 164406440201161. The reversal of 164406440201156 is 651102044604461.

It is a super-3 number, since 3×164406440201156³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662929194236 + ... + 662929194483.

It is an arithmetic number, because the mean of its divisors is an integer number (24749356589440).

Almost surely, 2^{164406440201156} is an apocalyptic number.

It is an amenable number.

164406440201156 is a deficient number, since it is larger than the sum of its proper divisors (132585838872124).

164406440201156 is a wasteful number, since it uses less digits than its factorization.

164406440201156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325858388754 (or 1325858388752 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 164406440201156 in words is "one hundred sixty-four trillion, four hundred six billion, four hundred forty million, two hundred one thousand, one hundred fifty-six".