1006551012 has 24 divisors (see below), whose sum is σ = 2360546496. Its totient is φ = 333813088.

The previous prime is 1006550989. The next prime is 1006551019. The reversal of 1006551012 is 2101556001.

It is a self number, because there is not a number n which added to its sum of digits gives 1006551012.

It is not an unprimeable number, because it can be changed into a prime (1006551019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210528 + ... + 215255.

It is an arithmetic number, because the mean of its divisors is an integer number (98356104).

Almost surely, 2^1006551012 is an apocalyptic number.

1006551012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1006551012 is an abundant number, since it is smaller than the sum of its proper divisors (1353995484).

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

1006551012 is a wasteful number, since it uses less digits than its factorization.

1006551012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425987 (or 425985 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1006551012 is about 31726.1881101402. The cubic root of 1006551012 is about 1002.1789195281.

The spelling of 1006551012 in words is "one billion, six million, five hundred fifty-one thousand, twelve".