99654161 has 2 divisors, whose sum is σ = 99654162. Its totient is φ = 99654160.

The previous prime is 99654143. The next prime is 99654169. The reversal of 99654161 is 16145699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90916225 + 8737936 = 9535^2 + 2956^2 .

It is a cyclic number.

It is not a de Polignac number, because 99654161 - 2⁶ = 99654097 is a prime.

It is a super-2 number, since 2×99654161² = 19861903609227842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (99654169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49827080 + 49827081.

It is an arithmetic number, because the mean of its divisors is an integer number (49827081).

Almost surely, 2^99654161 is an apocalyptic number.

It is an amenable number.

99654161 is a deficient number, since it is larger than the sum of its proper divisors (1).

99654161 is an equidigital number, since it uses as much as digits as its factorization.

99654161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The square root of 99654161 is about 9982.6930735148. The cubic root of 99654161 is about 463.6231845205.

The spelling of 99654161 in words is "ninety-nine million, six hundred fifty-four thousand, one hundred sixty-one".