66113386 has 16 divisors (see below), whose sum is σ = 101500200. Its totient is φ = 32287680.

The previous prime is 66113363. The next prime is 66113449. The reversal of 66113386 is 68331166.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7667361 + 58446025 = 2769^2 + 7645^2 .

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, 16360 + ... + 19996.

Almost surely, 2^66113386 is an apocalyptic number.

66113386 is a deficient number, since it is larger than the sum of its proper divisors (35386814).

66113386 is a wasteful number, since it uses less digits than its factorization.

66113386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3849.

The product of its digits is 15552, while the sum is 34.

The square root of 66113386 is about 8131.0138359248. The cubic root of 66113386 is about 404.3552939251.

The spelling of 66113386 in words is "sixty-six million, one hundred thirteen thousand, three hundred eighty-six".