164311012512 has 96 divisors (see below), whose sum is σ = 492192993600. Its totient is φ = 53290047744.

The previous prime is 164311012493. The next prime is 164311012559. The reversal of 164311012512 is 215210113461.

164311012512 is a `hidden beast` number, since 1 + 6 + 43 + 1 + 101 + 2 + 512 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2537962 + ... + 2601897.

It is an arithmetic number, because the mean of its divisors is an integer number (5127010350).

Almost surely, 2^164311012512 is an apocalyptic number.

164311012512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164311012512 is an abundant number, since it is smaller than the sum of its proper divisors (327881981088).

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

164311012512 is a wasteful number, since it uses less digits than its factorization.

164311012512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5139915 (or 5139901 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 164311012512 its reverse (215210113461), we get a palindrome (379521125973).

The spelling of 164311012512 in words is "one hundred sixty-four billion, three hundred eleven million, twelve thousand, five hundred twelve".