6021556452 has 18 divisors (see below), whose sum is σ = 15221156678. Its totient is φ = 2007185472.

The previous prime is 6021556337. The next prime is 6021556507. The reversal of 6021556452 is 2546551206.

6021556452 is a `hidden beast` number, since 6 + 0 + 2 + 1 + 5 + 5 + 645 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6000981156 + 20575296 = 77466^2 + 4536^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 167265457 = 6021556452 / (6 + 0 + 2 + 1 + 5 + 5 + 6 + 4 + 5 + 2).

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 5 ways as a sum of consecutive naturals, for example, 83632693 + ... + 83632764.

Almost surely, 2^6021556452 is an apocalyptic number.

It is an amenable number.

6021556452 is an abundant number, since it is smaller than the sum of its proper divisors (9199600226).

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

6021556452 is a wasteful number, since it uses less digits than its factorization.

6021556452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167265467 (or 167265462 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 6021556452 is about 77598.6884682982. The cubic root of 6021556452 is about 1819.2941403990.

The spelling of 6021556452 in words is "six billion, twenty-one million, five hundred fifty-six thousand, four hundred fifty-two".