6564398148 has 72 divisors (see below), whose sum is σ = 20687808960. Its totient is φ = 1705037760.

The previous prime is 6564398129. The next prime is 6564398167. The reversal of 6564398148 is 8418934656.

6564398148 is a `hidden beast` number, since 6 + 564 + 39 + 8 + 1 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (6564398129) and next prime (6564398167).

It is a junction number, because it is equal to n+sod(n) for n = 6564398094 and 6564398103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1181283 + ... + 1186826.

It is an arithmetic number, because the mean of its divisors is an integer number (287330680).

Almost surely, 2^6564398148 is an apocalyptic number.

It is an amenable number.

6564398148 is an abundant number, since it is smaller than the sum of its proper divisors (14123410812).

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

6564398148 is a wasteful number, since it uses less digits than its factorization.

6564398148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2368137 (or 2368132 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 6564398148 is about 81020.9735068643. The cubic root of 6564398148 is about 1872.3985871899.

The spelling of 6564398148 in words is "six billion, five hundred sixty-four million, three hundred ninety-eight thousand, one hundred forty-eight".