66416046 has 8 divisors (see below), whose sum is σ = 132832104. Its totient is φ = 22138680.

The previous prime is 66416041. The next prime is 66416069. The reversal of 66416046 is 64061466.

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

66416046 is an admirable number.

It is a super-2 number, since 2×66416046² = 8822182332548232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66415998 and 66416016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66416041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5534665 + ... + 5534676.

It is an arithmetic number, because the mean of its divisors is an integer number (16604013).

Almost surely, 2^66416046 is an apocalyptic number.

66416046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66416046 is a wasteful number, since it uses less digits than its factorization.

66416046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11069346.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 66416046 is about 8149.6040394611. The cubic root of 66416046 is about 404.9713864863.

The spelling of 66416046 in words is "sixty-six million, four hundred sixteen thousand, forty-six".