66107502161277 has 8 divisors (see below), whose sum is σ = 88586267553600. Its totient is φ = 43850202438240.

The previous prime is 66107502161263. The next prime is 66107502161297. The reversal of 66107502161277 is 77216120570166.

It is a happy number.

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

It is not a de Polignac number, because 66107502161277 - 2⁷ = 66107502161149 is a prime.

It is a super-2 number, since 2×66107502161277² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66107502161297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55366416624 + ... + 55366417817.

It is an arithmetic number, because the mean of its divisors is an integer number (11073283444200).

Almost surely, 2^{66107502161277} is an apocalyptic number.

It is an amenable number.

66107502161277 is a deficient number, since it is larger than the sum of its proper divisors (22478765392323).

66107502161277 is a wasteful number, since it uses less digits than its factorization.

66107502161277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110732834643.

The product of its (nonzero) digits is 1481760, while the sum is 51.

The spelling of 66107502161277 in words is "sixty-six trillion, one hundred seven billion, five hundred two million, one hundred sixty-one thousand, two hundred seventy-seven".