816424200154 has 16 divisors (see below), whose sum is σ = 1266921081000. Its totient is φ = 394118416384.

The previous prime is 816424200127. The next prime is 816424200181. The reversal of 816424200154 is 451002424618.

It is an interprime number because it is at equal distance from previous prime (816424200127) and next prime (816424200181).

It can be written as a sum of positive squares in 4 ways, for example, as 761558164929 + 54866035225 = 872673^2 + 234235^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1066122 + ... + 1664170.

Almost surely, 2^816424200154 is an apocalyptic number.

816424200154 is a deficient number, since it is larger than the sum of its proper divisors (450496880846).

816424200154 is a wasteful number, since it uses less digits than its factorization.

816424200154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621617.

The product of its (nonzero) digits is 61440, while the sum is 37.

The spelling of 816424200154 in words is "eight hundred sixteen billion, four hundred twenty-four million, two hundred thousand, one hundred fifty-four".