1228345016738 has 32 divisors (see below), whose sum is σ = 2174488796160. Its totient is φ = 509257889280.

The previous prime is 1228345016671. The next prime is 1228345016747. The reversal of 1228345016738 is 8376105438221.

It is a Curzon 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, 605258 + ... + 1680186.

It is an arithmetic number, because the mean of its divisors is an integer number (67952774880).

Almost surely, 2^{1228345016738} is an apocalyptic number.

1228345016738 is a deficient number, since it is larger than the sum of its proper divisors (946143779422).

1228345016738 is a wasteful number, since it uses less digits than its factorization.

1228345016738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077602.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 1228345016738 in words is "one trillion, two hundred twenty-eight billion, three hundred forty-five million, sixteen thousand, seven hundred thirty-eight".