918884738456 has 16 divisors (see below), whose sum is σ = 1778486591040. Its totient is φ = 444621647520.

The previous prime is 918884738377. The next prime is 918884738479. The reversal of 918884738456 is 654837488819.

It is a self number, because there is not a number n which added to its sum of digits gives 918884738456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852589951 + ... + 1852590446.

It is an arithmetic number, because the mean of its divisors is an integer number (111155411940).

Almost surely, 2^918884738456 is an apocalyptic number.

It is an amenable number.

918884738456 is a deficient number, since it is larger than the sum of its proper divisors (859601852584).

918884738456 is a wasteful number, since it uses less digits than its factorization.

918884738456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3705180434 (or 3705180430 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 71.

The spelling of 918884738456 in words is "nine hundred eighteen billion, eight hundred eighty-four million, seven hundred thirty-eight thousand, four hundred fifty-six".