407016660 has 24 divisors (see below), whose sum is σ = 1139646816. Its totient is φ = 108537760.

The previous prime is 407016647. The next prime is 407016667. The reversal of 407016660 is 66610704.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407016667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3391746 + ... + 3391865.

It is an arithmetic number, because the mean of its divisors is an integer number (47485284).

Almost surely, 2^407016660 is an apocalyptic number.

It is an amenable number.

407016660 is an abundant number, since it is smaller than the sum of its proper divisors (732630156).

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

407016660 is a wasteful number, since it uses less digits than its factorization.

407016660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6783623 (or 6783621 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 407016660 is about 20174.6539003771. The cubic root of 407016660 is about 741.0896171032.

The spelling of 407016660 in words is "four hundred seven million, sixteen thousand, six hundred sixty".