1006100645 has 16 divisors (see below), whose sum is σ = 1318508928. Its totient is φ = 730914240.

The previous prime is 1006100621. The next prime is 1006100651. The reversal of 1006100645 is 5460016001.

It is not a de Polignac number, because 1006100645 - 2¹⁰ = 1006099621 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1006100645.

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 in 15 ways as a sum of consecutive naturals, for example, 43727 + ... + 62643.

It is an arithmetic number, because the mean of its divisors is an integer number (82406808).

Almost surely, 2^1006100645 is an apocalyptic number.

It is an amenable number.

1006100645 is a deficient number, since it is larger than the sum of its proper divisors (312408283).

1006100645 is a wasteful number, since it uses less digits than its factorization.

1006100645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19900.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1006100645 is about 31719.0895991672. The cubic root of 1006100645 is about 1002.0294269734.

Adding to 1006100645 its reverse (5460016001), we get a palindrome (6466116646).

The spelling of 1006100645 in words is "one billion, six million, one hundred thousand, six hundred forty-five".