1656141143 has 2 divisors, whose sum is σ = 1656141144. Its totient is φ = 1656141142.

The previous prime is 1656141107. The next prime is 1656141161. The reversal of 1656141143 is 3411416561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1656141143 - 2¹² = 1656137047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1656141163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 828070571 + 828070572.

It is an arithmetic number, because the mean of its divisors is an integer number (828070572).

Almost surely, 2^1656141143 is an apocalyptic number.

1656141143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1656141143 is an equidigital number, since it uses as much as digits as its factorization.

1656141143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 1656141143 is about 40695.7140618026. The cubic root of 1656141143 is about 1183.1299512571.

The spelling of 1656141143 in words is "one billion, six hundred fifty-six million, one hundred forty-one thousand, one hundred forty-three".