66980130 has 64 divisors (see below), whose sum is σ = 193397760. Its totient is φ = 14503104.

The previous prime is 66980129. The next prime is 66980131. The reversal of 66980130 is 3108966.

66980130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (66980129) and next prime (66980131).

It is a junction number, because it is equal to n+sod(n) for n = 66980091 and 66980100.

It is not an unprimeable number, because it can be changed into a prime (66980131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4404 + ... + 12383.

It is an arithmetic number, because the mean of its divisors is an integer number (3021840).

Almost surely, 2^66980130 is an apocalyptic number.

66980130 is an abundant number, since it is smaller than the sum of its proper divisors (126417630).

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

66980130 is a wasteful number, since it uses less digits than its factorization.

66980130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16823.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 66980130 is about 8184.1389284396. The cubic root of 66980130 is about 406.1146553480.

The spelling of 66980130 in words is "sixty-six million, nine hundred eighty thousand, one hundred thirty".