6156625464 has 192 divisors, whose sum is σ = 19127197440. Its totient is φ = 1770785280.

The previous prime is 6156625427. The next prime is 6156625481. The reversal of 6156625464 is 4645266516.

6156625464 is a `hidden beast` number, since 6 + 1 + 566 + 25 + 4 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2494359 + ... + 2496825.

It is an arithmetic number, because the mean of its divisors is an integer number (99620820).

Almost surely, 2^6156625464 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 6156625464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9563598720).

6156625464 is an abundant number, since it is smaller than the sum of its proper divisors (12970571976).

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

6156625464 is a wasteful number, since it uses less digits than its factorization.

6156625464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2643 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 6156625464 is about 78464.1667514541. The cubic root of 6156625464 is about 1832.7964912197.

It can be divided in two parts, 615662 and 5464, that added together give a palindrome (621126).

The spelling of 6156625464 in words is "six billion, one hundred fifty-six million, six hundred twenty-five thousand, four hundred sixty-four".