6667017400 has 96 divisors (see below), whose sum is σ = 15713280000. Its totient is φ = 2630517120.

The previous prime is 6667017391. The next prime is 6667017439. The reversal of 6667017400 is 47107666.

It is a self number, because there is not a number n which added to its sum of digits gives 6667017400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5053941 + ... + 5055259.

It is an arithmetic number, because the mean of its divisors is an integer number (163680000).

Almost surely, 2^6667017400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6667017400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7856640000).

6667017400 is an abundant number, since it is smaller than the sum of its proper divisors (9046262600).

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

6667017400 is a wasteful number, since it uses less digits than its factorization.

6667017400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1661 (or 1652 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 6667017400 is about 81651.8058587806. The cubic root of 6667017400 is about 1882.1050624536.

The spelling of 6667017400 in words is "six billion, six hundred sixty-seven million, seventeen thousand, four hundred".