6162640 has 80 divisors (see below), whose sum is σ = 16070400. Its totient is φ = 2178560.

The previous prime is 6162623. The next prime is 6162641. The reversal of 6162640 is 462616.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6162641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41286 + ... + 41434.

It is an arithmetic number, because the mean of its divisors is an integer number (200880).

Almost surely, 2^6162640 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 6162640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8035200).

6162640 is an abundant number, since it is smaller than the sum of its proper divisors (9907760).

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

6162640 is a wasteful number, since it uses less digits than its factorization.

6162640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 6162640 is about 2482.4665153834. The cubic root of 6162640 is about 183.3393129363.

The spelling of 6162640 in words is "six million, one hundred sixty-two thousand, six hundred forty".