66263600652102 has 96 divisors (see below), whose sum is σ = 172780693862400. Its totient is φ = 17929413897984.

The previous prime is 66263600652101. The next prime is 66263600652127. The reversal of 66263600652102 is 20125600636266.

66263600652102 is a `hidden beast` number, since 6 + 6 + 2 + 63 + 60 + 0 + 6 + 521 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66263600652101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1419358 + ... + 11599214.

It is an arithmetic number, because the mean of its divisors is an integer number (1799798894400).

Almost surely, 2^{66263600652102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66263600652102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86390346931200).

66263600652102 is an abundant number, since it is smaller than the sum of its proper divisors (106517093210298).

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

66263600652102 is a wasteful number, since it uses less digits than its factorization.

66263600652102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10182610 (or 10182607 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 66263600652102 in words is "sixty-six trillion, two hundred sixty-three billion, six hundred million, six hundred fifty-two thousand, one hundred two".