1642066292 has 6 divisors (see below), whose sum is σ = 2873616018. Its totient is φ = 821033144.

The previous prime is 1642066201. The next prime is 1642066303. The reversal of 1642066292 is 2926602461.

It can be written as a sum of positive squares in only one way, i.e., 1359691876 + 282374416 = 36874^2 + 16804^2 .

It is a congruent number.

It is an unprimeable number.

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, 205258283 + ... + 205258290.

It is an arithmetic number, because the mean of its divisors is an integer number (478936003).

Almost surely, 2^1642066292 is an apocalyptic number.

It is an amenable number.

1642066292 is a deficient number, since it is larger than the sum of its proper divisors (1231549726).

1642066292 is a wasteful number, since it uses less digits than its factorization.

1642066292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410516577 (or 410516575 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1642066292 is about 40522.4171539655. The cubic root of 1642066292 is about 1179.7687692083.

The spelling of 1642066292 in words is "one billion, six hundred forty-two million, sixty-six thousand, two hundred ninety-two".