164023461136 has 80 divisors (see below), whose sum is σ = 350071344000. Its totient is φ = 74103220224.

The previous prime is 164023461131. The next prime is 164023461179. The reversal of 164023461136 is 631164320461.

It is a junction number, because it is equal to n+sod(n) for n = 164023461095 and 164023461104.

It is not an unprimeable number, because it can be changed into a prime (164023461131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2406600 + ... + 2473816.

It is an arithmetic number, because the mean of its divisors is an integer number (4375891800).

Almost surely, 2^164023461136 is an apocalyptic number.

164023461136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164023461136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175035672000).

164023461136 is an abundant number, since it is smaller than the sum of its proper divisors (186047882864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164023461136 is a wasteful number, since it uses less digits than its factorization.

164023461136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67616 (or 67610 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 164023461136 its reverse (631164320461), we get a palindrome (795187781597).

The spelling of 164023461136 in words is "one hundred sixty-four billion, twenty-three million, four hundred sixty-one thousand, one hundred thirty-six".