61606655151 has 8 divisors (see below), whose sum is σ = 84974696880. Its totient is φ = 39654858432.

The previous prime is 61606655141. The next prime is 61606655161. The reversal of 61606655151 is 15155660616.

It is an interprime number because it is at equal distance from previous prime (61606655141) and next prime (61606655161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61606655151 - 2⁹ = 61606654639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61606655101) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 354061150 + ... + 354061323.

It is an arithmetic number, because the mean of its divisors is an integer number (10621837110).

Almost surely, 2^61606655151 is an apocalyptic number.

61606655151 is a deficient number, since it is larger than the sum of its proper divisors (23368041729).

61606655151 is a wasteful number, since it uses less digits than its factorization.

61606655151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708122505.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 61606655151 in words is "sixty-one billion, six hundred six million, six hundred fifty-five thousand, one hundred fifty-one".