1226168028384 has 96 divisors (see below), whose sum is σ = 3616990723584. Its totient is φ = 360878876160.

The previous prime is 1226168028331. The next prime is 1226168028413. The reversal of 1226168028384 is 4838208616221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×1226168028384² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21330132 + ... + 21387539.

It is an arithmetic number, because the mean of its divisors is an integer number (37676986704).

Almost surely, 2^{1226168028384} is an apocalyptic number.

It is an amenable number.

1226168028384 is an abundant number, since it is smaller than the sum of its proper divisors (2390822695200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226168028384 is a wasteful number, since it uses less digits than its factorization.

1226168028384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42717720 (or 42717712 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 51.

The spelling of 1226168028384 in words is "one trillion, two hundred twenty-six billion, one hundred sixty-eight million, twenty-eight thousand, three hundred eighty-four".