120610675721691 has 12 divisors (see below), whose sum is σ = 174215946287968. Its totient is φ = 80406874470384.

The previous prime is 120610675721647. The next prime is 120610675721719. The reversal of 120610675721691 is 196127576016021.

120610675721691 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 1 + 0 + 6 + 7 + 572 + 1 + 69 + 1 = 666.

It is not a de Polignac number, because 120610675721691 - 2²⁶ = 120610608612827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120610675761691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17049235 + ... + 23062908.

Almost surely, 2^{120610675721691} is an apocalyptic number.

120610675721691 is a deficient number, since it is larger than the sum of its proper divisors (53605270566277).

120610675721691 is a wasteful number, since it uses less digits than its factorization.

120610675721691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40446242 (or 40446239 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 120610675721691 in words is "one hundred twenty trillion, six hundred ten billion, six hundred seventy-five million, seven hundred twenty-one thousand, six hundred ninety-one".