1662146029 has 2 divisors, whose sum is σ = 1662146030. Its totient is φ = 1662146028.

The previous prime is 1662146009. The next prime is 1662146033. The reversal of 1662146029 is 9206412661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097133129 + 565012900 = 33123^2 + 23770^2 .

It is a cyclic number.

It is not a de Polignac number, because 1662146029 - 2¹¹ = 1662143981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1662146009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 831073014 + 831073015.

It is an arithmetic number, because the mean of its divisors is an integer number (831073015).

Almost surely, 2^1662146029 is an apocalyptic number.

It is an amenable number.

1662146029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1662146029 is an equidigital number, since it uses as much as digits as its factorization.

1662146029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1662146029 is about 40769.4251737745. The cubic root of 1662146029 is about 1184.5581691202.

The spelling of 1662146029 in words is "one billion, six hundred sixty-two million, one hundred forty-six thousand, twenty-nine".