66262026060 has 72 divisors (see below), whose sum is σ = 201026563920. Its totient is φ = 17667082368.

The previous prime is 66262026059. The next prime is 66262026067. The reversal of 66262026060 is 6062026266.

It is a happy number.

66262026060 is a `hidden beast` number, since 6 + 6 + 2 + 620 + 26 + 0 + 6 + 0 = 666.

It is a super-2 number, since 2×66262026060² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (66262026067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1275759 + ... + 1326681.

It is an arithmetic number, because the mean of its divisors is an integer number (2792035610).

Almost surely, 2^66262026060 is an apocalyptic number.

66262026060 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66262026060 is an abundant number, since it is smaller than the sum of its proper divisors (134764537860).

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

66262026060 is a wasteful number, since it uses less digits than its factorization.

66262026060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58167 (or 58162 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 66262026060 in words is "sixty-six billion, two hundred sixty-two million, twenty-six thousand, sixty".