164745527340 has 192 divisors, whose sum is σ = 481858191360. Its totient is φ = 42017310720.

The previous prime is 164745527339. The next prime is 164745527357. The reversal of 164745527340 is 43725547461.

It is a self number, because there is not a number n which added to its sum of digits gives 164745527340.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60367096 + ... + 60369824.

It is an arithmetic number, because the mean of its divisors is an integer number (2509678080).

Almost surely, 2^164745527340 is an apocalyptic number.

164745527340 is a gapful number since it is divisible by the number (10) 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 164745527340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240929095680).

164745527340 is an abundant number, since it is smaller than the sum of its proper divisors (317112664020).

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

164745527340 is a wasteful number, since it uses less digits than its factorization.

164745527340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232 (or 3230 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 164745527340 in words is "one hundred sixty-four billion, seven hundred forty-five million, five hundred twenty-seven thousand, three hundred forty".