66456046 has 8 divisors (see below), whose sum is σ = 99731880. Its totient is φ = 33212088.

The previous prime is 66456017. The next prime is 66456067. The reversal of 66456046 is 64065466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66455996 and 66456014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801 + ... + 11668.

It is an arithmetic number, because the mean of its divisors is an integer number (12466485).

Almost surely, 2^66456046 is an apocalyptic number.

66456046 is a deficient number, since it is larger than the sum of its proper divisors (33275834).

66456046 is a wasteful number, since it uses less digits than its factorization.

66456046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 66456046 is about 8152.0577770278. The cubic root of 66456046 is about 405.0526700793.

The spelling of 66456046 in words is "sixty-six million, four hundred fifty-six thousand, forty-six".