66737519160 has 128 divisors (see below), whose sum is σ = 216636456960. Its totient is φ = 16349760000.

The previous prime is 66737519159. The next prime is 66737519207. The reversal of 66737519160 is 6191573766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227785 + ... + 430535.

It is an arithmetic number, because the mean of its divisors is an integer number (1692472320).

Almost surely, 2^66737519160 is an apocalyptic number.

66737519160 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 66737519160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108318228480).

66737519160 is an abundant number, since it is smaller than the sum of its proper divisors (149898937800).

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

66737519160 is a wasteful number, since it uses less digits than its factorization.

66737519160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202989 (or 202985 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 66737519160 in words is "sixty-six billion, seven hundred thirty-seven million, five hundred nineteen thousand, one hundred sixty".