146668980847 has 2 divisors, whose sum is σ = 146668980848. Its totient is φ = 146668980846.

The previous prime is 146668980797. The next prime is 146668980881. The reversal of 146668980847 is 748089866641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146668980847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146668980947) by changing a digit.

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 as a sum of consecutive naturals, namely, 73334490423 + 73334490424.

It is an arithmetic number, because the mean of its divisors is an integer number (73334490424).

Almost surely, 2^146668980847 is an apocalyptic number.

146668980847 is a deficient number, since it is larger than the sum of its proper divisors (1).

146668980847 is an equidigital number, since it uses as much as digits as its factorization.

146668980847 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111476736, while the sum is 67.

It can be divided in two parts, 1466689 and 80847, that added together give a square (1547536 = 1244²).

The spelling of 146668980847 in words is "one hundred forty-six billion, six hundred sixty-eight million, nine hundred eighty thousand, eight hundred forty-seven".