1006545642 has 32 divisors (see below), whose sum is σ = 2109058560. Its totient is φ = 319638000.

The previous prime is 1006545611. The next prime is 1006545649. The reversal of 1006545642 is 2465456001.

It is not an unprimeable number, because it can be changed into a prime (1006545649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20109 + ... + 49167.

It is an arithmetic number, because the mean of its divisors is an integer number (65908080).

Almost surely, 2^1006545642 is an apocalyptic number.

1006545642 is an abundant number, since it is smaller than the sum of its proper divisors (1102512918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1006545642 is a wasteful number, since it uses less digits than its factorization.

1006545642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29338.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1006545642 is about 31726.1034796270. The cubic root of 1006545642 is about 1002.1771373000.

The spelling of 1006545642 in words is "one billion, six million, five hundred forty-five thousand, six hundred forty-two".