66530348 has 12 divisors (see below), whose sum is σ = 117736920. Its totient is φ = 32891232.

The previous prime is 66530327. The next prime is 66530369. The reversal of 66530348 is 84303566.

It is an interprime number because it is at equal distance from previous prime (66530327) and next prime (66530369).

It is a super-2 number, since 2×66530348² = 8852574410002208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93086 + ... + 93797.

It is an arithmetic number, because the mean of its divisors is an integer number (9811410).

Almost surely, 2^66530348 is an apocalyptic number.

It is an amenable number.

66530348 is a deficient number, since it is larger than the sum of its proper divisors (51206572).

66530348 is a wasteful number, since it uses less digits than its factorization.

66530348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186976 (or 186974 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 66530348 is about 8156.6137581720. The cubic root of 66530348 is about 405.2035718948.

It can be divided in two parts, 665 and 30348, that added together give a palindrome (31013).

The spelling of 66530348 in words is "sixty-six million, five hundred thirty thousand, three hundred forty-eight".