1004166813 has 16 divisors (see below), whose sum is σ = 1442681856. Its totient is φ = 617605440.

The previous prime is 1004166809. The next prime is 1004166817. The reversal of 1004166813 is 3186614001.

It is an interprime number because it is at equal distance from previous prime (1004166809) and next prime (1004166817).

It is not a de Polignac number, because 1004166813 - 2² = 1004166809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004166817) 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, 76231 + ... + 88427.

It is an arithmetic number, because the mean of its divisors is an integer number (90167616).

Almost surely, 2^1004166813 is an apocalyptic number.

1004166813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1004166813 is a deficient number, since it is larger than the sum of its proper divisors (438515043).

1004166813 is a wasteful number, since it uses less digits than its factorization.

1004166813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14324.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1004166813 is about 31688.5912119804. The cubic root of 1004166813 is about 1001.3870129722.

The spelling of 1004166813 in words is "one billion, four million, one hundred sixty-six thousand, eight hundred thirteen".