406181192803 has 16 divisors (see below), whose sum is σ = 429899097600. Its totient is φ = 382994504640.

The previous prime is 406181192779. The next prime is 406181192827. The reversal of 406181192803 is 308291181604.

It is an interprime number because it is at equal distance from previous prime (406181192779) and next prime (406181192827).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406181192803 is a prime.

It is a super-2 number, since 2×406181192803² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 406181192803.

It is not an unprimeable number, because it can be changed into a prime (406181192863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377818 + ... + 977296.

It is an arithmetic number, because the mean of its divisors is an integer number (26868693600).

Almost surely, 2^406181192803 is an apocalyptic number.

406181192803 is a deficient number, since it is larger than the sum of its proper divisors (23717904797).

406181192803 is a wasteful number, since it uses less digits than its factorization.

406181192803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599922.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 406181192803 in words is "four hundred six billion, one hundred eighty-one million, one hundred ninety-two thousand, eight hundred three".