6491167004 has 36 divisors (see below), whose sum is σ = 13640437440. Its totient is φ = 2692186560.

The previous prime is 6491166949. The next prime is 6491167013. The reversal of 6491167004 is 4007611946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528089 + ... + 540240.

It is an arithmetic number, because the mean of its divisors is an integer number (378901040).

Almost surely, 2^6491167004 is an apocalyptic number.

It is an amenable number.

6491167004 is an abundant number, since it is smaller than the sum of its proper divisors (7149270436).

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

6491167004 is a wasteful number, since it uses less digits than its factorization.

6491167004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068378 (or 1068369 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 6491167004 is about 80567.7789441908. The cubic root of 6491167004 is about 1865.4098296490.

The spelling of 6491167004 in words is "six billion, four hundred ninety-one million, one hundred sixty-seven thousand, four".