66337237560 has 128 divisors (see below), whose sum is σ = 226543080960. Its totient is φ = 15382540800.

The previous prime is 66337237511. The next prime is 66337237609. The reversal of 66337237560 is 6573273366.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66337237511) and next prime (66337237609).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1062151 + ... + 1122870.

It is an arithmetic number, because the mean of its divisors is an integer number (1769867820).

Almost surely, 2^66337237560 is an apocalyptic number.

66337237560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66337237560 is an abundant number, since it is smaller than the sum of its proper divisors (160205843400).

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

66337237560 is a wasteful number, since it uses less digits than its factorization.

66337237560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185069 (or 2185065 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 48.

The spelling of 66337237560 in words is "sixty-six billion, three hundred thirty-seven million, two hundred thirty-seven thousand, five hundred sixty".