1006506156 has 12 divisors (see below), whose sum is σ = 2348514392. Its totient is φ = 335502048.

The previous prime is 1006506101. The next prime is 1006506157. The reversal of 1006506156 is 6516056001.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1006506157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41937745 + ... + 41937768.

Almost surely, 2^1006506156 is an apocalyptic number.

It is an amenable number.

1006506156 is an abundant number, since it is smaller than the sum of its proper divisors (1342008236).

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

1006506156 is a wasteful number, since it uses less digits than its factorization.

1006506156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83875520 (or 83875518 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1006506156 is about 31725.4811783840. The cubic root of 1006506156 is about 1002.1640322530.

The spelling of 1006506156 in words is "one billion, six million, five hundred six thousand, one hundred fifty-six".