66465350160 has 320 divisors, whose sum is σ = 238474450944. Its totient is φ = 15134515200.

The previous prime is 66465350153. The next prime is 66465350191. The reversal of 66465350160 is 6105356466.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28318107 + ... + 28320453.

Almost surely, 2^66465350160 is an apocalyptic number.

66465350160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66465350160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119237225472).

66465350160 is an abundant number, since it is smaller than the sum of its proper divisors (172009100784).

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

66465350160 is a wasteful number, since it uses less digits than its factorization.

66465350160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3016 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 66465350160 in words is "sixty-six billion, four hundred sixty-five million, three hundred fifty thousand, one hundred sixty".