66834130 has 16 divisors (see below), whose sum is σ = 131238144. Its totient is φ = 24303280.

The previous prime is 66834127. The next prime is 66834133. The reversal of 66834130 is 3143866.

It is an interprime number because it is at equal distance from previous prime (66834127) and next prime (66834133).

It is a junction number, because it is equal to n+sod(n) for n = 66834092 and 66834101.

It is not an unprimeable number, because it can be changed into a prime (66834133) 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, 303682 + ... + 303901.

It is an arithmetic number, because the mean of its divisors is an integer number (8202384).

Almost surely, 2^66834130 is an apocalyptic number.

66834130 is a deficient number, since it is larger than the sum of its proper divisors (64404014).

66834130 is a wasteful number, since it uses less digits than its factorization.

66834130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607601.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 66834130 is about 8175.2143702780. The cubic root of 66834130 is about 405.8193644259.

Adding to 66834130 its reverse (3143866), we get a palindrome (69977996).

The spelling of 66834130 in words is "sixty-six million, eight hundred thirty-four thousand, one hundred thirty".