66495135 has 16 divisors (see below), whose sum is σ = 121591296. Its totient is φ = 30397728.

The previous prime is 66495133. The next prime is 66495137. The reversal of 66495135 is 53159466.

It is an interprime number because it is at equal distance from previous prime (66495133) and next prime (66495137).

It is not a de Polignac number, because 66495135 - 2¹ = 66495133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66495093 and 66495102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66495131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316539 + ... + 316748.

It is an arithmetic number, because the mean of its divisors is an integer number (7599456).

Almost surely, 2^66495135 is an apocalyptic number.

66495135 is a deficient number, since it is larger than the sum of its proper divisors (55096161).

66495135 is a wasteful number, since it uses less digits than its factorization.

66495135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633302.

The product of its digits is 97200, while the sum is 39.

The square root of 66495135 is about 8154.4549174056. The cubic root of 66495135 is about 405.1320709339.

The spelling of 66495135 in words is "sixty-six million, four hundred ninety-five thousand, one hundred thirty-five".