164156741112 has 128 divisors (see below), whose sum is σ = 505953423360. Its totient is φ = 43220736000.

The previous prime is 164156741087. The next prime is 164156741117. The reversal of 164156741112 is 211147651461.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164156741117) 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, 1231737 + ... + 1358487.

It is an arithmetic number, because the mean of its divisors is an integer number (3952761120).

Almost surely, 2^164156741112 is an apocalyptic number.

164156741112 is a gapful number since it is divisible by the number (12) 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 164156741112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252976711680).

164156741112 is an abundant number, since it is smaller than the sum of its proper divisors (341796682248).

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

164156741112 is a wasteful number, since it uses less digits than its factorization.

164156741112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127373 (or 127369 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The spelling of 164156741112 in words is "one hundred sixty-four billion, one hundred fifty-six million, seven hundred forty-one thousand, one hundred twelve".