66430124 has 12 divisors (see below), whose sum is σ = 117404448. Its totient is φ = 32886000.

The previous prime is 66430121. The next prime is 66430163. The reversal of 66430124 is 42103466.

It is a Cunningham number, because it is equal to 405³-1.

It is a super-2 number, since 2×66430124² = 8825922749310752, which contains 22 as substring.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 66430093 and 66430102.

It is not an unprimeable number, because it can be changed into a prime (66430121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81812 + ... + 82619.

It is an arithmetic number, because the mean of its divisors is an integer number (9783704).

Almost surely, 2^66430124 is an apocalyptic number.

It is an amenable number.

66430124 is a deficient number, since it is larger than the sum of its proper divisors (50974324).

66430124 is a wasteful number, since it uses less digits than its factorization.

66430124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164536 (or 164534 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 66430124 is about 8150.4677166406. The cubic root of 66430124 is about 404.9999979678. Note that the first 5 decimals are identical.

The spelling of 66430124 in words is "sixty-six million, four hundred thirty thousand, one hundred twenty-four".