1612438078084 has 6 divisors (see below), whose sum is σ = 2821766636654. Its totient is φ = 806219039040.

The previous prime is 1612438078061. The next prime is 1612438078093. The reversal of 1612438078084 is 4808708342161.

It can be written as a sum of positive squares in only one way, i.e., 1432636637184 + 179801440900 = 1196928^2 + 424030^2 .

It is a super-2 number, since 2×1612438078084² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201554759757 + ... + 201554759764.

Almost surely, 2^{1612438078084} is an apocalyptic number.

It is an amenable number.

1612438078084 is a deficient number, since it is larger than the sum of its proper divisors (1209328558570).

1612438078084 is a wasteful number, since it uses less digits than its factorization.

1612438078084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403109519525 (or 403109519523 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 1612438078084 in words is "one trillion, six hundred twelve billion, four hundred thirty-eight million, seventy-eight thousand, eighty-four".