102167591641 has 2 divisors, whose sum is σ = 102167591642. Its totient is φ = 102167591640.

The previous prime is 102167591621. The next prime is 102167591671. The reversal of 102167591641 is 146195761201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70990273600 + 31177318041 = 266440^2 + 176571^2 .

It is a cyclic number.

It is not a de Polignac number, because 102167591641 - 2²³ = 102159203033 is a prime.

It is not a weakly prime, because it can be changed into another prime (102167591621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51083795820 + 51083795821.

It is an arithmetic number, because the mean of its divisors is an integer number (51083795821).

Almost surely, 2^102167591641 is an apocalyptic number.

It is an amenable number.

102167591641 is a deficient number, since it is larger than the sum of its proper divisors (1).

102167591641 is an equidigital number, since it uses as much as digits as its factorization.

102167591641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 102167591641 in words is "one hundred two billion, one hundred sixty-seven million, five hundred ninety-one thousand, six hundred forty-one".