66354052 has 12 divisors (see below), whose sum is σ = 117147996. Its totient is φ = 32883200.

The previous prime is 66354019. The next prime is 66354107. The reversal of 66354052 is 25045366.

It can be written as a sum of positive squares in 2 ways, for example, as 29095236 + 37258816 = 5394^2 + 6104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72949 + ... + 73852.

It is an arithmetic number, because the mean of its divisors is an integer number (9762333).

Almost surely, 2^66354052 is an apocalyptic number.

It is an amenable number.

66354052 is a deficient number, since it is larger than the sum of its proper divisors (50793944).

66354052 is a wasteful number, since it uses less digits than its factorization.

66354052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146918 (or 146916 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 66354052 is about 8145.7996538093. The cubic root of 66354052 is about 404.8453445978.

The spelling of 66354052 in words is "sixty-six million, three hundred fifty-four thousand, fifty-two".