66575102 has 16 divisors (see below), whose sum is σ = 110998512. Its totient is φ = 29689920.

The previous prime is 66575101. The next prime is 66575143. The reversal of 66575102 is 20157566.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66575101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27383 + ... + 29714.

It is an arithmetic number, because the mean of its divisors is an integer number (6937407).

Almost surely, 2^66575102 is an apocalyptic number.

66575102 is a deficient number, since it is larger than the sum of its proper divisors (44423410).

66575102 is a wasteful number, since it uses less digits than its factorization.

66575102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57163.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 66575102 is about 8159.3567148397. The cubic root of 66575102 is about 405.2944097177.

The spelling of 66575102 in words is "sixty-six million, five hundred seventy-five thousand, one hundred two".