64545156606 has 192 divisors, whose sum is σ = 164638033920. Its totient is φ = 16744734720.

The previous prime is 64545156601. The next prime is 64545156617. The reversal of 64545156606 is 60665154546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64545156601) 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, 95906286 + ... + 95906958.

It is an arithmetic number, because the mean of its divisors is an integer number (857489760).

Almost surely, 2^64545156606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64545156606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82319016960).

64545156606 is an abundant number, since it is smaller than the sum of its proper divisors (100092877314).

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

64545156606 is a wasteful number, since it uses less digits than its factorization.

64545156606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1352 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 64545156606 in words is "sixty-four billion, five hundred forty-five million, one hundred fifty-six thousand, six hundred six".