400164363603 has 12 divisors (see below), whose sum is σ = 585933209160. Its totient is φ = 263121772896.

The previous prime is 400164363509. The next prime is 400164363607. The reversal of 400164363603 is 306363461004.

400164363603 is a `hidden beast` number, since 4 + 0 + 0 + 1 + 6 + 43 + 6 + 3 + 603 = 666.

It is not a de Polignac number, because 400164363603 - 2²⁴ = 400147586387 is a prime.

It is a super-2 number, since 2×400164363603² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400164363607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304538433 + ... + 304539746.

It is an arithmetic number, because the mean of its divisors is an integer number (48827767430).

Almost surely, 2^400164363603 is an apocalyptic number.

400164363603 is a deficient number, since it is larger than the sum of its proper divisors (185768845557).

400164363603 is a wasteful number, since it uses less digits than its factorization.

400164363603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609078258 (or 609078255 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 400164363603 in words is "four hundred billion, one hundred sixty-four million, three hundred sixty-three thousand, six hundred three".