66106414 has 24 divisors (see below), whose sum is σ = 109693080. Its totient is φ = 29855760.

The previous prime is 66106363. The next prime is 66106433. The reversal of 66106414 is 41460166.

It is a congruent number.

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, 41077 + ... + 42655.

It is an arithmetic number, because the mean of its divisors is an integer number (4570545).

Almost surely, 2^66106414 is an apocalyptic number.

66106414 is a deficient number, since it is larger than the sum of its proper divisors (43586666).

66106414 is a wasteful number, since it uses less digits than its factorization.

66106414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1765 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 66106414 is about 8130.5850957972. The cubic root of 66106414 is about 404.3410796366.

The spelling of 66106414 in words is "sixty-six million, one hundred six thousand, four hundred fourteen".