6425174616 has 256 divisors, whose sum is σ = 20463528960. Its totient is φ = 1638973440.

The previous prime is 6425174557. The next prime is 6425174629. The reversal of 6425174616 is 6164715246.

It is a super-3 number, since 3×6425174616³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4331811 + ... + 4333293.

It is an arithmetic number, because the mean of its divisors is an integer number (79935660).

Almost surely, 2^6425174616 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 6425174616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10231764480).

6425174616 is an abundant number, since it is smaller than the sum of its proper divisors (14038354344).

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

6425174616 is a wasteful number, since it uses less digits than its factorization.

6425174616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1590 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The square root of 6425174616 is about 80157.1869266880. The cubic root of 6425174616 is about 1859.0667280082.

The spelling of 6425174616 in words is "six billion, four hundred twenty-five million, one hundred seventy-four thousand, six hundred sixteen".