66052146 has 16 divisors (see below), whose sum is σ = 132196608. Its totient is φ = 22002000.

The previous prime is 66052139. The next prime is 66052153. The reversal of 66052146 is 64125066.

It is an interprime number because it is at equal distance from previous prime (66052139) and next prime (66052153).

It is a Curzon 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, 8511 + ... + 14301.

It is an arithmetic number, because the mean of its divisors is an integer number (8262288).

Almost surely, 2^66052146 is an apocalyptic number.

66052146 is an abundant number, since it is smaller than the sum of its proper divisors (66144462).

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

66052146 is a wasteful number, since it uses less digits than its factorization.

66052146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 66052146 is about 8127.2471354082. The cubic root of 66052146 is about 404.2304056110.

The spelling of 66052146 in words is "sixty-six million, fifty-two thousand, one hundred forty-six".