146659659912 has 128 divisors (see below), whose sum is σ = 417565785600. Its totient is φ = 47672769024.

The previous prime is 146659659907. The next prime is 146659659943. The reversal of 146659659912 is 219956956641.

It is a self number, because there is not a number n which added to its sum of digits gives 146659659912.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2786028 + ... + 2838180.

It is an arithmetic number, because the mean of its divisors is an integer number (3262232700).

Almost surely, 2^146659659912 is an apocalyptic number.

146659659912 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 146659659912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208782892800).

146659659912 is an abundant number, since it is smaller than the sum of its proper divisors (270906125688).

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

146659659912 is a wasteful number, since it uses less digits than its factorization.

146659659912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52492 (or 52482 counting only the distinct ones).

The product of its digits is 31492800, while the sum is 63.

The spelling of 146659659912 in words is "one hundred forty-six billion, six hundred fifty-nine million, six hundred fifty-nine thousand, nine hundred twelve".