66464114 has 16 divisors (see below), whose sum is σ = 104056920. Its totient is φ = 31799040.

The previous prime is 66464107. The next prime is 66464117. The reversal of 66464114 is 41146466.

66464114 = T₄₄₉ + T₄₅₀ + ... + T₇₈₇.

It can be written as a sum of positive squares in 4 ways, for example, as 26988025 + 39476089 = 5195^2 + 6283^2 .

It is not an unprimeable number, because it can be changed into a prime (66464117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1484 + ... + 11624.

Almost surely, 2^66464114 is an apocalyptic number.

66464114 is a deficient number, since it is larger than the sum of its proper divisors (37592806).

66464114 is a wasteful number, since it uses less digits than its factorization.

66464114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285.

The product of its digits is 13824, while the sum is 32.

The square root of 66464114 is about 8152.5526063927. The cubic root of 66464114 is about 405.0690610269.

The spelling of 66464114 in words is "sixty-six million, four hundred sixty-four thousand, one hundred fourteen".