6649014000 has 80 divisors (see below), whose sum is σ = 21436440480. Its totient is φ = 1773068800.

The previous prime is 6649013999. The next prime is 6649014017. The reversal of 6649014000 is 4109466.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 548085 + ... + 560084.

It is an arithmetic number, because the mean of its divisors is an integer number (267955506).

Almost surely, 2^6649014000 is an apocalyptic number.

6649014000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6649014000 is an abundant number, since it is smaller than the sum of its proper divisors (14787426480).

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

6649014000 is a wasteful number, since it uses less digits than its factorization.

6649014000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108195 (or 1108179 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6649014000 is about 81541.4863735019. The cubic root of 6649014000 is about 1880.4094098550.

The spelling of 6649014000 in words is "six billion, six hundred forty-nine million, fourteen thousand".