6225161400 has 72 divisors (see below), whose sum is σ = 20906173080. Its totient is φ = 1660042560.

The previous prime is 6225161389. The next prime is 6225161401. The reversal of 6225161400 is 41615226.

6225161400 is a `hidden beast` number, since 6 + 2 + 2 + 516 + 140 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6225161401) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1727412 + ... + 1731011.

It is an arithmetic number, because the mean of its divisors is an integer number (290363515).

Almost surely, 2^6225161400 is an apocalyptic number.

6225161400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6225161400 is an abundant number, since it is smaller than the sum of its proper divisors (14681011680).

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

6225161400 is a wasteful number, since it uses less digits than its factorization.

6225161400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458445 (or 3458433 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 6225161400 is about 78899.6920146080. The cubic root of 6225161400 is about 1839.5723446883.

Adding to 6225161400 its reverse (41615226), we get a palindrome (6266776626).

The spelling of 6225161400 in words is "six billion, two hundred twenty-five million, one hundred sixty-one thousand, four hundred".