66020702160084 has 192 divisors, whose sum is σ = 184441710845952. Its totient is φ = 17971182028800.

The previous prime is 66020702160071. The next prime is 66020702160103. The reversal of 66020702160084 is 48006120702066.

It is a super-3 number, since 3×66020702160084³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 490133224 + ... + 490267904.

It is an arithmetic number, because the mean of its divisors is an integer number (960633910656).

Almost surely, 2^{66020702160084} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66020702160084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92220855422976).

66020702160084 is an abundant number, since it is smaller than the sum of its proper divisors (118421008685868).

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

66020702160084 is a wasteful number, since it uses less digits than its factorization.

66020702160084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135726 (or 135724 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 66020702160084 in words is "sixty-six trillion, twenty billion, seven hundred two million, one hundred sixty thousand, eighty-four".