164340446625146 has 8 divisors (see below), whose sum is σ = 268920730841184. Its totient is φ = 74700203011420.

The previous prime is 164340446624971. The next prime is 164340446625151. The reversal of 164340446625146 is 641526644043461.

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

It is a super-2 number, since 2×164340446625146² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164340446625091 and 164340446625100.

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, 3735010150550 + ... + 3735010150593.

It is an arithmetic number, because the mean of its divisors is an integer number (33615091355148).

Almost surely, 2^{164340446625146} is an apocalyptic number.

164340446625146 is a deficient number, since it is larger than the sum of its proper divisors (104580284216038).

164340446625146 is a wasteful number, since it uses less digits than its factorization.

164340446625146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7470020301156.

The product of its (nonzero) digits is 39813120, while the sum is 56.

The spelling of 164340446625146 in words is "one hundred sixty-four trillion, three hundred forty billion, four hundred forty-six million, six hundred twenty-five thousand, one hundred forty-six".