2067619678084 has 27 divisors (see below), whose sum is σ = 3631512524367. Its totient is φ = 1030058300544.

The previous prime is 2067619678079. The next prime is 2067619678121. The reversal of 2067619678084 is 4808769167602.

The square root of 2067619678084 is 1437922.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 930410718084 + 1137208960000 = 964578^2 + 1066400^2 .

It is a super-2 number, since 2×2067619678084² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 900138024 + ... + 900140320.

Almost surely, 2^{2067619678084} is an apocalyptic number.

2067619678084 is the 1437922-nd square number.

It is an amenable number.

2067619678084 is a deficient number, since it is larger than the sum of its proper divisors (1563892846283).

2067619678084 is an frugal number, since it uses more digits than its factorization.

2067619678084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5224 (or 2612 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 64.

Multiplying 2067619678084 by its sum of digits (64), we get a square (132327659397376 = 11503376²).

The spelling of 2067619678084 in words is "two trillion, sixty-seven billion, six hundred nineteen million, six hundred seventy-eight thousand, eighty-four".