66763236360 has 64 divisors (see below), whose sum is σ = 202161614400. Its totient is φ = 17637138176.

The previous prime is 66763236359. The next prime is 66763236389. The reversal of 66763236360 is 6363236766.

It is a super-2 number, since 2×66763236360² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2586975 + ... + 2612654.

It is an arithmetic number, because the mean of its divisors is an integer number (3158775225).

Almost surely, 2^66763236360 is an apocalyptic number.

66763236360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66763236360 is an abundant number, since it is smaller than the sum of its proper divisors (135398378040).

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

66763236360 is a wasteful number, since it uses less digits than its factorization.

66763236360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5199750 (or 5199746 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 48.

The spelling of 66763236360 in words is "sixty-six billion, seven hundred sixty-three million, two hundred thirty-six thousand, three hundred sixty".