66106354 has 16 divisors (see below), whose sum is σ = 100945728. Its totient is φ = 32460912.

The previous prime is 66106333. The next prime is 66106361. The reversal of 66106354 is 45360166.

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, 64752 + ... + 65764.

It is an arithmetic number, because the mean of its divisors is an integer number (6309108).

Almost surely, 2^66106354 is an apocalyptic number.

66106354 is a deficient number, since it is larger than the sum of its proper divisors (34839374).

66106354 is a wasteful number, since it uses less digits than its factorization.

66106354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 66106354 is about 8130.5814060250. The cubic root of 66106354 is about 404.3409573062.

The spelling of 66106354 in words is "sixty-six million, one hundred six thousand, three hundred fifty-four".