216168751301029 has 2 divisors, whose sum is σ = 216168751301030. Its totient is φ = 216168751301028.

The previous prime is 216168751301023. The next prime is 216168751301119. The reversal of 216168751301029 is 920103157861612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206619724278529 + 9549027022500 = 14374273^2 + 3090150^2 .

It is a cyclic number.

It is not a de Polignac number, because 216168751301029 - 2²¹ = 216168749203877 is a prime.

It is a super-2 number, since 2×216168751301029² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216168751301023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108084375650514 + 108084375650515.

It is an arithmetic number, because the mean of its divisors is an integer number (108084375650515).

Almost surely, 2^{216168751301029} is an apocalyptic number.

It is an amenable number.

216168751301029 is a deficient number, since it is larger than the sum of its proper divisors (1).

216168751301029 is an equidigital number, since it uses as much as digits as its factorization.

216168751301029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The spelling of 216168751301029 in words is "two hundred sixteen trillion, one hundred sixty-eight billion, seven hundred fifty-one million, three hundred one thousand, twenty-nine".