6401747164 has 6 divisors (see below), whose sum is σ = 11203057544. Its totient is φ = 3200873580.

The previous prime is 6401747161. The next prime is 6401747173. The reversal of 6401747164 is 4617471046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6401747161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800218392 + ... + 800218399.

Almost surely, 2^6401747164 is an apocalyptic number.

It is an amenable number.

6401747164 is a deficient number, since it is larger than the sum of its proper divisors (4801310380).

6401747164 is a wasteful number, since it uses less digits than its factorization.

6401747164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600436795 (or 1600436793 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 6401747164 is about 80010.9190298424. The cubic root of 6401747164 is about 1856.8044684256.

The spelling of 6401747164 in words is "six billion, four hundred one million, seven hundred forty-seven thousand, one hundred sixty-four".