164195923948 has 96 divisors (see below), whose sum is σ = 354294743040. Its totient is φ = 65072609280.

The previous prime is 164195923939. The next prime is 164195923949. The reversal of 164195923948 is 849329591461.

It is a super-2 number, since 2×164195923948² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164195923949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2408061 + ... + 2475307.

It is an arithmetic number, because the mean of its divisors is an integer number (3690570240).

Almost surely, 2^164195923948 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164195923948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177147371520).

164195923948 is an abundant number, since it is smaller than the sum of its proper divisors (190098819092).

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

164195923948 is a wasteful number, since it uses less digits than its factorization.

164195923948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67415 (or 67413 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 61.

The spelling of 164195923948 in words is "one hundred sixty-four billion, one hundred ninety-five million, nine hundred twenty-three thousand, nine hundred forty-eight".