6425818608 has 160 divisors (see below), whose sum is σ = 18793440000. Its totient is φ = 1876304640.

The previous prime is 6425818543. The next prime is 6425818613. The reversal of 6425818608 is 8068185246.

It is a happy number.

It is a super-2 number, since 2×6425818608² = 82582289565838115328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12877143 + ... + 12877641.

It is an arithmetic number, because the mean of its divisors is an integer number (117459000).

Almost surely, 2^6425818608 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 6425818608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9396720000).

6425818608 is an abundant number, since it is smaller than the sum of its proper divisors (12367621392).

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

6425818608 is a wasteful number, since it uses less digits than its factorization.

6425818608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The square root of 6425818608 is about 80161.2038831753. The cubic root of 6425818608 is about 1859.1288370390.

The spelling of 6425818608 in words is "six billion, four hundred twenty-five million, eight hundred eighteen thousand, six hundred eight".