66653030 has 16 divisors (see below), whose sum is σ = 120070080. Its totient is φ = 26640192.

The previous prime is 66652997. The next prime is 66653063. The reversal of 66653030 is 3035666.

It is an interprime number because it is at equal distance from previous prime (66652997) and next prime (66653063).

It is a junction number, because it is equal to n+sod(n) for n = 66652984 and 66653002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19811 + ... + 22929.

It is an arithmetic number, because the mean of its divisors is an integer number (7504380).

Almost surely, 2^66653030 is an apocalyptic number.

66653030 is a deficient number, since it is larger than the sum of its proper divisors (53417050).

66653030 is a wasteful number, since it uses less digits than its factorization.

66653030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5263.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 66653030 is about 8164.1306946913. The cubic root of 66653030 is about 405.4524841659.

Adding to 66653030 its reverse (3035666), we get a palindrome (69688696).

The spelling of 66653030 in words is "sixty-six million, six hundred fifty-three thousand, thirty".