1612077661055 has 16 divisors (see below), whose sum is σ = 2005344825120. Its totient is φ = 1243079217792.

The previous prime is 1612077661039. The next prime is 1612077661057. The reversal of 1612077661055 is 5501667702161.

It is a happy number.

It is not a de Polignac number, because 1612077661055 - 2⁴ = 1612077661039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612077661057) 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, 40699520 + ... + 40739109.

It is an arithmetic number, because the mean of its divisors is an integer number (125334051570).

Almost surely, 2^{1612077661055} is an apocalyptic number.

1612077661055 is a deficient number, since it is larger than the sum of its proper divisors (393267164065).

1612077661055 is a wasteful number, since it uses less digits than its factorization.

1612077661055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81438778.

The product of its (nonzero) digits is 529200, while the sum is 47.

The spelling of 1612077661055 in words is "one trillion, six hundred twelve billion, seventy-seven million, six hundred sixty-one thousand, fifty-five".