146016643991 has 2 divisors, whose sum is σ = 146016643992. Its totient is φ = 146016643990.

The previous prime is 146016643987. The next prime is 146016644167. The reversal of 146016643991 is 199346610641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146016643991 - 2² = 146016643987 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146016643921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73008321995 + 73008321996.

It is an arithmetic number, because the mean of its divisors is an integer number (73008321996).

Almost surely, 2^146016643991 is an apocalyptic number.

146016643991 is a deficient number, since it is larger than the sum of its proper divisors (1).

146016643991 is an equidigital number, since it uses as much as digits as its factorization.

146016643991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 146016643991 in words is "one hundred forty-six billion, sixteen million, six hundred forty-three thousand, nine hundred ninety-one".