6464528154 has 72 divisors (see below), whose sum is σ = 17251715988. Its totient is φ = 1738356480.

The previous prime is 6464528153. The next prime is 6464528197. The reversal of 6464528154 is 4518254646.

It is a happy number.

6464528154 is a `hidden beast` number, since 6 + 46 + 452 + 8 + 154 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5137018929 + 1327509225 = 71673^2 + 36435^2 .

It is not an unprimeable number, because it can be changed into a prime (6464528153) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 200577 + ... + 230564.

Almost surely, 2^6464528154 is an apocalyptic number.

6464528154 is an abundant number, since it is smaller than the sum of its proper divisors (10787187834).

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

6464528154 is a wasteful number, since it uses less digits than its factorization.

6464528154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431180 (or 431170 counting only the distinct ones).

The product of its digits is 921600, while the sum is 45.

The square root of 6464528154 is about 80402.2894823276. The cubic root of 6464528154 is about 1862.8545364386.

The spelling of 6464528154 in words is "six billion, four hundred sixty-four million, five hundred twenty-eight thousand, one hundred fifty-four".