506164551043 has 2 divisors, whose sum is σ = 506164551044. Its totient is φ = 506164551042.

The previous prime is 506164551023. The next prime is 506164551077. The reversal of 506164551043 is 340155461605.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506164551043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 506164550987 and 506164551005.

It is not a weakly prime, because it can be changed into another prime (506164551023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253082275521 + 253082275522.

It is an arithmetic number, because the mean of its divisors is an integer number (253082275522).

Almost surely, 2^506164551043 is an apocalyptic number.

506164551043 is a deficient number, since it is larger than the sum of its proper divisors (1).

506164551043 is an equidigital number, since it uses as much as digits as its factorization.

506164551043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 506164551043 in words is "five hundred six billion, one hundred sixty-four million, five hundred fifty-one thousand, forty-three".