66676100 has 36 divisors (see below), whose sum is σ = 146740608. Its totient is φ = 26292000.

The previous prime is 66676097. The next prime is 66676121. The reversal of 66676100 is 167666.

It is a super-2 number, since 2×66676100² = 8891404622420000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2405 + ... + 11795.

It is an arithmetic number, because the mean of its divisors is an integer number (4076128).

Almost surely, 2^66676100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66676100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73370304).

66676100 is an abundant number, since it is smaller than the sum of its proper divisors (80064508).

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

66676100 is a wasteful number, since it uses less digits than its factorization.

66676100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476 (or 9469 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 66676100 is about 8165.5434601746. The cubic root of 66676100 is about 405.4992572825.

The spelling of 66676100 in words is "sixty-six million, six hundred seventy-six thousand, one hundred".