146623212061 has 2 divisors, whose sum is σ = 146623212062. Its totient is φ = 146623212060.

The previous prime is 146623212019. The next prime is 146623212083. The reversal of 146623212061 is 160212326641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107448906436 + 39174305625 = 327794^2 + 197925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146623212061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146623218061) 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, 73311606030 + 73311606031.

It is an arithmetic number, because the mean of its divisors is an integer number (73311606031).

Almost surely, 2^146623212061 is an apocalyptic number.

It is an amenable number.

146623212061 is a deficient number, since it is larger than the sum of its proper divisors (1).

146623212061 is an equidigital number, since it uses as much as digits as its factorization.

146623212061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 146623212061 in words is "one hundred forty-six billion, six hundred twenty-three million, two hundred twelve thousand, sixty-one".