416068821 has 48 divisors (see below), whose sum is σ = 727143040. Its totient is φ = 223948800.

The previous prime is 416068813. The next prime is 416068837. The reversal of 416068821 is 128860614.

416068821 is a `hidden beast` number, since 41 + 606 + 8 + 8 + 2 + 1 = 666.

It is not a de Polignac number, because 416068821 - 2³ = 416068813 is a prime.

It is a super-2 number, since 2×416068821² = 346226527616660082, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (416068801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 230121 + ... + 231921.

Almost surely, 2^416068821 is an apocalyptic number.

It is an amenable number.

416068821 is a deficient number, since it is larger than the sum of its proper divisors (311074219).

416068821 is a wasteful number, since it uses less digits than its factorization.

416068821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026 (or 2023 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 416068821 is about 20397.7650981670. The cubic root of 416068821 is about 746.5433949830.

The spelling of 416068821 in words is "four hundred sixteen million, sixty-eight thousand, eight hundred twenty-one".