66454046 has 4 divisors (see below), whose sum is σ = 99681072. Its totient is φ = 33227022.

The previous prime is 66454027. The next prime is 66454067. The reversal of 66454046 is 64045466.

66454046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×66454046² = 8832280459540232, which contains 22 as substring.

It is a plaindrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 66453997 and 66454015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16613510 + ... + 16613513.

It is an arithmetic number, because the mean of its divisors is an integer number (24920268).

Almost surely, 2^66454046 is an apocalyptic number.

66454046 is a deficient number, since it is larger than the sum of its proper divisors (33227026).

66454046 is a wasteful number, since it uses less digits than its factorization.

66454046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33227025.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 66454046 is about 8151.9351076907. The cubic root of 66454046 is about 405.0486066744.

The spelling of 66454046 in words is "sixty-six million, four hundred fifty-four thousand, forty-six".