146650831178461 has 2 divisors, whose sum is σ = 146650831178462. Its totient is φ = 146650831178460.

The previous prime is 146650831178459. The next prime is 146650831178569. The reversal of 146650831178461 is 164871138056641.

146650831178461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130272775964100 + 16378055214361 = 11413710^2 + 4046981^2 .

It is a cyclic number.

It is not a de Polignac number, because 146650831178461 - 2¹ = 146650831178459 is a prime.

Together with 146650831178459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 146650831178461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146650831173461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73325415589230 + 73325415589231.

It is an arithmetic number, because the mean of its divisors is an integer number (73325415589231).

Almost surely, 2^{146650831178461} is an apocalyptic number.

It is an amenable number.

146650831178461 is a deficient number, since it is larger than the sum of its proper divisors (1).

146650831178461 is an equidigital number, since it uses as much as digits as its factorization.

146650831178461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 146650831178461 in words is "one hundred forty-six trillion, six hundred fifty billion, eight hundred thirty-one million, one hundred seventy-eight thousand, four hundred sixty-one".