4645543266 has 192 divisors, whose sum is σ = 13408432128. Its totient is φ = 1171672128.

The previous prime is 4645543261. The next prime is 4645543271. The reversal of 4645543266 is 6623455464.

It is a happy number.

4645543266 is a `hidden beast` number, since 4 + 6 + 4 + 554 + 32 + 66 = 666.

It is an interprime number because it is at equal distance from previous prime (4645543261) and next prime (4645543271).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4645543261) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1014915 + ... + 1019481.

It is an arithmetic number, because the mean of its divisors is an integer number (69835584).

Almost surely, 2^4645543266 is an apocalyptic number.

4645543266 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4645543266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6704216064).

4645543266 is an abundant number, since it is smaller than the sum of its proper divisors (8762888862).

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

4645543266 is a wasteful number, since it uses less digits than its factorization.

4645543266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627 (or 4615 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The square root of 4645543266 is about 68158.2222919583. Note that the first 4 decimals coincide. The cubic root of 4645543266 is about 1668.5741191733.

The spelling of 4645543266 in words is "four billion, six hundred forty-five million, five hundred forty-three thousand, two hundred sixty-six".