76619619664066 has 32 divisors (see below), whose sum is σ = 115905397673520. Its totient is φ = 37985158987776.

The previous prime is 76619619664051. The next prime is 76619619664069. The reversal of 76619619664066 is 66046691691667.

76619619664066 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1978745809041 + 74640873855025 = 1406679^2 + 8639495^2 .

It is a super-2 number, since 2×76619619664066² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76619619664066.

It is not an unprimeable number, because it can be changed into a prime (76619619664069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3931419250 + ... + 3931438738.

Almost surely, 2^{76619619664066} is an apocalyptic number.

76619619664066 is a deficient number, since it is larger than the sum of its proper divisors (39285778009454).

76619619664066 is a wasteful number, since it uses less digits than its factorization.

76619619664066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35878.

The product of its (nonzero) digits is 634894848, while the sum is 73.

The spelling of 76619619664066 in words is "seventy-six trillion, six hundred nineteen billion, six hundred nineteen million, six hundred sixty-four thousand, sixty-six".