164587809960 has 192 divisors, whose sum is σ = 647286681600. Its totient is φ = 35407116288.

The previous prime is 164587809913. The next prime is 164587809961. The reversal of 164587809960 is 69908785461.

164587809960 is a `hidden beast` number, since 16 + 458 + 7 + 80 + 9 + 96 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (164587809961) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1878120 + ... + 1963799.

It is an arithmetic number, because the mean of its divisors is an integer number (3371284800).

Almost surely, 2^164587809960 is an apocalyptic number.

164587809960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164587809960 is an abundant number, since it is smaller than the sum of its proper divisors (482698871640).

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

164587809960 is a wasteful number, since it uses less digits than its factorization.

164587809960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841960 (or 3841953 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 63.

The spelling of 164587809960 in words is "one hundred sixty-four billion, five hundred eighty-seven million, eight hundred nine thousand, nine hundred sixty".