66066054 has 16 divisors (see below), whose sum is σ = 133416192. Its totient is φ = 21808008.

The previous prime is 66066043. The next prime is 66066073. The reversal of 66066054 is 45066066.

It is a super-2 number, since 2×66066054² = 8729446982261832, which contains 22 as substring.

It is a congruent number.

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, 52834 + ... + 54069.

It is an arithmetic number, because the mean of its divisors is an integer number (8338512).

Almost surely, 2^66066054 is an apocalyptic number.

66066054 is an abundant number, since it is smaller than the sum of its proper divisors (67350138).

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

66066054 is a wasteful number, since it uses less digits than its factorization.

66066054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107011.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 66066054 is about 8128.1027306500. The cubic root of 66066054 is about 404.2587753274.

The spelling of 66066054 in words is "sixty-six million, sixty-six thousand, fifty-four", and thus it is an eban number.