147666316980 has 1536 divisors, whose sum is σ = 609530019840. Its totient is φ = 25798901760.

The previous prime is 147666316939. The next prime is 147666316991. The reversal of 147666316980 is 89613666741.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 147666316980.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 2022826224 + ... + 2022826296.

It is an arithmetic number, because the mean of its divisors is an integer number (396829440).

Almost surely, 2^147666316980 is an apocalyptic number.

147666316980 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 147666316980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304765009920).

147666316980 is an abundant number, since it is smaller than the sum of its proper divisors (461863702860).

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

147666316980 is a wasteful number, since it uses less digits than its factorization.

147666316980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209 (or 207 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 57.

The spelling of 147666316980 in words is "one hundred forty-seven billion, six hundred sixty-six million, three hundred sixteen thousand, nine hundred eighty".