146166727261 has 2 divisors, whose sum is σ = 146166727262. Its totient is φ = 146166727260.

The previous prime is 146166727211. The next prime is 146166727307. The reversal of 146166727261 is 162727661641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110095221636 + 36071505625 = 331806^2 + 189925^2 .

It is a cyclic number.

It is not a de Polignac number, because 146166727261 - 2¹⁵ = 146166694493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146166727211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73083363630 + 73083363631.

It is an arithmetic number, because the mean of its divisors is an integer number (73083363631).

Almost surely, 2^146166727261 is an apocalyptic number.

It is an amenable number.

146166727261 is a deficient number, since it is larger than the sum of its proper divisors (1).

146166727261 is an equidigital number, since it uses as much as digits as its factorization.

146166727261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The spelling of 146166727261 in words is "one hundred forty-six billion, one hundred sixty-six million, seven hundred twenty-seven thousand, two hundred sixty-one".