168217552477307 has 8 divisors (see below), whose sum is σ = 169959442515072. Its totient is φ = 166475819347200.

The previous prime is 168217552477237. The next prime is 168217552477333. The reversal of 168217552477307 is 703774255712861.

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-168217552477307 is a prime.

It is a super-2 number, since 2×168217552477307² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168217552477207) 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, 37071044 + ... + 41360577.

It is an arithmetic number, because the mean of its divisors is an integer number (21244930314384).

Almost surely, 2^{168217552477307} is an apocalyptic number.

168217552477307 is a deficient number, since it is larger than the sum of its proper divisors (1741890037765).

168217552477307 is an equidigital number, since it uses as much as digits as its factorization.

168217552477307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78453829.

The product of its (nonzero) digits is 138297600, while the sum is 65.

The spelling of 168217552477307 in words is "one hundred sixty-eight trillion, two hundred seventeen billion, five hundred fifty-two million, four hundred seventy-seven thousand, three hundred seven".