66734124801216 has 56 divisors (see below), whose sum is σ = 176749965300480. Its totient is φ = 22221704370432.

The previous prime is 66734124801173. The next prime is 66734124801263. The reversal of 66734124801216 is 61210842143766.

It is a super-3 number, since 3×66734124801216³ (a number of 42 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179531796 + ... + 179903123.

Almost surely, 2^{66734124801216} is an apocalyptic number.

It is an amenable number.

66734124801216 is an abundant number, since it is smaller than the sum of its proper divisors (110015840499264).

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

66734124801216 is a wasteful number, since it uses less digits than its factorization.

66734124801216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359435901 (or 359435891 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The spelling of 66734124801216 in words is "sixty-six trillion, seven hundred thirty-four billion, one hundred twenty-four million, eight hundred one thousand, two hundred sixteen".