66546130 has 32 divisors (see below), whose sum is σ = 142850304. Its totient is φ = 21823296.

The previous prime is 66546127. The next prime is 66546133. The reversal of 66546130 is 3164566.

66546130 = 103² + 104² + ... + 585².

It is an interprime number because it is at equal distance from previous prime (66546127) and next prime (66546133).

It is a junction number, because it is equal to n+sod(n) for n = 66546092 and 66546101.

It is not an unprimeable number, because it can be changed into a prime (66546133) 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, 19057 + ... + 22276.

It is an arithmetic number, because the mean of its divisors is an integer number (4464072).

Almost surely, 2^66546130 is an apocalyptic number.

66546130 is an abundant number, since it is smaller than the sum of its proper divisors (76304174).

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

66546130 is a wasteful number, since it uses less digits than its factorization.

66546130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41370.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 66546130 is about 8157.5811365870. The cubic root of 66546130 is about 405.2356094905.

The spelling of 66546130 in words is "sixty-six million, five hundred forty-six thousand, one hundred thirty".