6147405552 has 80 divisors (see below), whose sum is σ = 16617998880. Its totient is φ = 1956105216.

The previous prime is 6147405533. The next prime is 6147405553. The reversal of 6147405552 is 2555047416.

It is a self number, because there is not a number n which added to its sum of digits gives 6147405552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6147405553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61474 + ... + 126782.

It is an arithmetic number, because the mean of its divisors is an integer number (207724986).

Almost surely, 2^6147405552 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 6147405552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8308999440).

6147405552 is an abundant number, since it is smaller than the sum of its proper divisors (10470593328).

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

6147405552 is a wasteful number, since it uses less digits than its factorization.

6147405552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65410 (or 65404 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 6147405552 is about 78405.3923655765. The cubic root of 6147405552 is about 1831.8811269588.

The spelling of 6147405552 in words is "six billion, one hundred forty-seven million, four hundred five thousand, five hundred fifty-two".