166416034305031 has 16 divisors (see below), whose sum is σ = 192783550374720. Its totient is φ = 140704581346560.

The previous prime is 166416034304953. The next prime is 166416034305049. The reversal of 166416034305031 is 130503430614661.

It is not a de Polignac number, because 166416034305031 - 2⁹ = 166416034304519 is a prime.

It is a super-2 number, since 2×166416034305031² (a number of 29 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 (166416034305431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316982896 + ... + 317507461.

It is an arithmetic number, because the mean of its divisors is an integer number (12048971898420).

Almost surely, 2^{166416034305031} is an apocalyptic number.

166416034305031 is a deficient number, since it is larger than the sum of its proper divisors (26367516069689).

166416034305031 is an equidigital number, since it uses as much as digits as its factorization.

166416034305031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634490874.

The product of its (nonzero) digits is 466560, while the sum is 43.

Adding to 166416034305031 its reverse (130503430614661), we get a palindrome (296919464919692).

The spelling of 166416034305031 in words is "one hundred sixty-six trillion, four hundred sixteen billion, thirty-four million, three hundred five thousand, thirty-one".