8545433656 has 64 divisors (see below), whose sum is σ = 17211398400. Its totient is φ = 3963268608.

The previous prime is 8545433653. The next prime is 8545433669. The reversal of 8545433656 is 6563345458.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8545433653) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6986661 + ... + 6987883.

It is an arithmetic number, because the mean of its divisors is an integer number (268928100).

Almost surely, 2^8545433656 is an apocalyptic number.

It is an amenable number.

8545433656 is an abundant number, since it is smaller than the sum of its proper divisors (8665964744).

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

8545433656 is a wasteful number, since it uses less digits than its factorization.

8545433656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1944 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 49.

The square root of 8545433656 is about 92441.5147863772. The cubic root of 8545433656 is about 2044.4572584639.

The spelling of 8545433656 in words is "eight billion, five hundred forty-five million, four hundred thirty-three thousand, six hundred fifty-six".