6420815182 has 8 divisors (see below), whose sum is σ = 9631656000. Its totient is φ = 3210263184.

The previous prime is 6420815143. The next prime is 6420815189. The reversal of 6420815182 is 2815180246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6420815189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3582 + ... + 113377.

It is an arithmetic number, because the mean of its divisors is an integer number (1203957000).

Almost surely, 2^6420815182 is an apocalyptic number.

6420815182 is a deficient number, since it is larger than the sum of its proper divisors (3210840818).

6420815182 is a wasteful number, since it uses less digits than its factorization.

6420815182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144410.

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 6420815182 is about 80129.9892799194. The cubic root of 6420815182 is about 1858.6461784864.

The spelling of 6420815182 in words is "six billion, four hundred twenty million, eight hundred fifteen thousand, one hundred eighty-two".