408163145866 has 16 divisors (see below), whose sum is σ = 706636056960. Its totient is φ = 173195110800.

The previous prime is 408163145861. The next prime is 408163145909. The reversal of 408163145866 is 668541361804.

It is not an unprimeable number, because it can be changed into a prime (408163145861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144327846 + ... + 144330673.

It is an arithmetic number, because the mean of its divisors is an integer number (44164753560).

Almost surely, 2^408163145866 is an apocalyptic number.

408163145866 is a deficient number, since it is larger than the sum of its proper divisors (298472911094).

408163145866 is a wasteful number, since it uses less digits than its factorization.

408163145866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288658629.

The product of its (nonzero) digits is 3317760, while the sum is 52.

The spelling of 408163145866 in words is "four hundred eight billion, one hundred sixty-three million, one hundred forty-five thousand, eight hundred sixty-six".