1001016673 has 4 divisors (see below), whose sum is σ = 1001086128. Its totient is φ = 1000947220.

The previous prime is 1001016647. The next prime is 1001016683. The reversal of 1001016673 is 3766101001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1001016673 - 2⁵ = 1001016641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001016683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4111 + ... + 44932.

It is an arithmetic number, because the mean of its divisors is an integer number (250271532).

Almost surely, 2^1001016673 is an apocalyptic number.

It is an amenable number.

1001016673 is a deficient number, since it is larger than the sum of its proper divisors (69455).

1001016673 is an equidigital number, since it uses as much as digits as its factorization.

1001016673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69454.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1001016673 is about 31638.8475295798. The cubic root of 1001016673 is about 1000.3387762177.

Adding to 1001016673 its reverse (3766101001), we get a palindrome (4767117674).

The spelling of 1001016673 in words is "one billion, one million, sixteen thousand, six hundred seventy-three".