66114628 has 6 divisors (see below), whose sum is σ = 115700606. Its totient is φ = 33057312.

The previous prime is 66114613. The next prime is 66114641. The reversal of 66114628 is 82641166.

It can be written as a sum of positive squares in only one way, i.e., 49533444 + 16581184 = 7038^2 + 4072^2 .

It is a super-2 number, since 2×66114628² = 8742288071156768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66114593 and 66114602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8264325 + ... + 8264332.

Almost surely, 2^66114628 is an apocalyptic number.

It is an amenable number.

66114628 is a deficient number, since it is larger than the sum of its proper divisors (49585978).

66114628 is a wasteful number, since it uses less digits than its factorization.

66114628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16528661 (or 16528659 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 66114628 is about 8131.0902098058. The cubic root of 66114628 is about 404.3578259697.

The spelling of 66114628 in words is "sixty-six million, one hundred fourteen thousand, six hundred twenty-eight".