6420370176 has 144 divisors (see below), whose sum is σ = 20712424320. Its totient is φ = 1945543680.

The previous prime is 6420370169. The next prime is 6420370181. The reversal of 6420370176 is 6710730246.

6420370176 is a `hidden beast` number, since 642 + 0 + 3 + 7 + 0 + 1 + 7 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 6420370176.

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, 33811 + ... + 118253.

It is an arithmetic number, because the mean of its divisors is an integer number (143836280).

Almost surely, 2^6420370176 is an apocalyptic number.

6420370176 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6420370176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10356212160).

6420370176 is an abundant number, since it is smaller than the sum of its proper divisors (14292054144).

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

6420370176 is a wasteful number, since it uses less digits than its factorization.

6420370176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84479 (or 84459 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 6420370176 is about 80127.2124561937. The cubic root of 6420370176 is about 1858.6032385696.

The spelling of 6420370176 in words is "six billion, four hundred twenty million, three hundred seventy thousand, one hundred seventy-six".