116601606551 has 8 divisors (see below), whose sum is σ = 117255566064. Its totient is φ = 115947754560.

The previous prime is 116601606533. The next prime is 116601606593. The reversal of 116601606551 is 155606106611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116601606551 is a prime.

It is a super-2 number, since 2×116601606551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116601608551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3279596 + ... + 3314958.

It is an arithmetic number, because the mean of its divisors is an integer number (14656945758).

Almost surely, 2^116601606551 is an apocalyptic number.

116601606551 is a deficient number, since it is larger than the sum of its proper divisors (653959513).

116601606551 is a wasteful number, since it uses less digits than its factorization.

116601606551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53761.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 116601606551 in words is "one hundred sixteen billion, six hundred one million, six hundred six thousand, five hundred fifty-one".