1006331899623 has 16 divisors (see below), whose sum is σ = 1389207633120. Its totient is φ = 647210837504.

The previous prime is 1006331899609. The next prime is 1006331899627. The reversal of 1006331899623 is 3269981336001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1006331899623 - 2⁴ = 1006331899607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1006331899627) 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, 4744086 + ... + 4951667.

It is an arithmetic number, because the mean of its divisors is an integer number (86825477070).

Almost surely, 2^{1006331899623} is an apocalyptic number.

1006331899623 is a deficient number, since it is larger than the sum of its proper divisors (382875733497).

1006331899623 is a wasteful number, since it uses less digits than its factorization.

1006331899623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9696978.

The product of its (nonzero) digits is 1259712, while the sum is 51.

The spelling of 1006331899623 in words is "one trillion, six billion, three hundred thirty-one million, eight hundred ninety-nine thousand, six hundred twenty-three".