66516114 has 32 divisors (see below), whose sum is σ = 152286336. Its totient is φ = 18973440.

The previous prime is 66516097. The next prime is 66516179. The reversal of 66516114 is 41161566.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40224 + ... + 41844.

It is an arithmetic number, because the mean of its divisors is an integer number (4758948).

Almost surely, 2^66516114 is an apocalyptic number.

66516114 is an abundant number, since it is smaller than the sum of its proper divisors (85770222).

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

66516114 is a wasteful number, since it uses less digits than its factorization.

66516114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610.

The product of its digits is 4320, while the sum is 30.

The square root of 66516114 is about 8155.7411680362. The cubic root of 66516114 is about 405.1746724066.

The spelling of 66516114 in words is "sixty-six million, five hundred sixteen thousand, one hundred fourteen".