163146627461 has 2 divisors, whose sum is σ = 163146627462. Its totient is φ = 163146627460.

The previous prime is 163146627437. The next prime is 163146627473. The reversal of 163146627461 is 164726641361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91252930561 + 71893696900 = 302081^2 + 268130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163146627461 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163146627431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81573313730 + 81573313731.

It is an arithmetic number, because the mean of its divisors is an integer number (81573313731).

Almost surely, 2^163146627461 is an apocalyptic number.

It is an amenable number.

163146627461 is a deficient number, since it is larger than the sum of its proper divisors (1).

163146627461 is an equidigital number, since it uses as much as digits as its factorization.

163146627461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 47.

The spelling of 163146627461 in words is "one hundred sixty-three billion, one hundred forty-six million, six hundred twenty-seven thousand, four hundred sixty-one".