1008643164 has 24 divisors (see below), whose sum is σ = 2354257920. Its totient is φ = 336106224.

The previous prime is 1008643123. The next prime is 1008643243. The reversal of 1008643164 is 4613468001.

It is a super-2 number, since 2×1008643164² = 2034722064567861792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31267 + ... + 54725.

It is an arithmetic number, because the mean of its divisors is an integer number (98094080).

Almost surely, 2^1008643164 is an apocalyptic number.

It is an amenable number.

1008643164 is an abundant number, since it is smaller than the sum of its proper divisors (1345614756).

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

1008643164 is a wasteful number, since it uses less digits than its factorization.

1008643164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27049 (or 27047 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1008643164 is about 31759.1429985130. The cubic root of 1008643164 is about 1002.8727938193.

The spelling of 1008643164 in words is "one billion, eight million, six hundred forty-three thousand, one hundred sixty-four".