66020106 has 16 divisors (see below), whose sum is σ = 132133248. Its totient is φ = 21991200.

The previous prime is 66020081. The next prime is 66020147. The reversal of 66020106 is 60102066.

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, 8286 + ... + 14166.

It is an arithmetic number, because the mean of its divisors is an integer number (8258328).

Almost surely, 2^66020106 is an apocalyptic number.

66020106 is an abundant number, since it is smaller than the sum of its proper divisors (66113142).

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

66020106 is a wasteful number, since it uses less digits than its factorization.

66020106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7757.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 66020106 is about 8125.2757491669. The cubic root of 66020106 is about 404.1650348513.

The spelling of 66020106 in words is "sixty-six million, twenty thousand, one hundred six".