168277190400101 has 2 divisors, whose sum is σ = 168277190400102. Its totient is φ = 168277190400100.

The previous prime is 168277190400073. The next prime is 168277190400199. The reversal of 168277190400101 is 101004091772861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102055859152900 + 66221331247201 = 10102270^2 + 8137649^2 .

It is a cyclic number.

It is not a de Polignac number, because 168277190400101 - 2¹⁸ = 168277190137957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (168277190400401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84138595200050 + 84138595200051.

It is an arithmetic number, because the mean of its divisors is an integer number (84138595200051).

Almost surely, 2^{168277190400101} is an apocalyptic number.

It is an amenable number.

168277190400101 is a deficient number, since it is larger than the sum of its proper divisors (1).

168277190400101 is an equidigital number, since it uses as much as digits as its factorization.

168277190400101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 47.

The spelling of 168277190400101 in words is "one hundred sixty-eight trillion, two hundred seventy-seven billion, one hundred ninety million, four hundred thousand, one hundred one".