147666316979 has 8 divisors (see below), whose sum is σ = 148897555968. Its totient is φ = 146438411400.

The previous prime is 147666316939. The next prime is 147666316991. The reversal of 147666316979 is 979613666741.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 147666316979 - 2⁸ = 147666316723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (147666316939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744347 + ... + 921620.

It is an arithmetic number, because the mean of its divisors is an integer number (18612194496).

Almost surely, 2^147666316979 is an apocalyptic number.

147666316979 is a deficient number, since it is larger than the sum of its proper divisors (1231238989).

147666316979 is a wasteful number, since it uses less digits than its factorization.

147666316979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666705.

The product of its digits is 61725888, while the sum is 65.

The spelling of 147666316979 in words is "one hundred forty-seven billion, six hundred sixty-six million, three hundred sixteen thousand, nine hundred seventy-nine".