556657151 has 2 divisors, whose sum is σ = 556657152. Its totient is φ = 556657150.

The previous prime is 556657139. The next prime is 556657169. The reversal of 556657151 is 151756655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556657151 - 2¹⁰ = 556656127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556657099 and 556657108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556657181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278328575 + 278328576.

It is an arithmetic number, because the mean of its divisors is an integer number (278328576).

Almost surely, 2^556657151 is an apocalyptic number.

556657151 is a deficient number, since it is larger than the sum of its proper divisors (1).

556657151 is an equidigital number, since it uses as much as digits as its factorization.

556657151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157500, while the sum is 41.

The square root of 556657151 is about 23593.5828351694. The cubic root of 556657151 is about 822.6136863023.

The spelling of 556657151 in words is "five hundred fifty-six million, six hundred fifty-seven thousand, one hundred fifty-one".