16040654173 has 2 divisors, whose sum is σ = 16040654174. Its totient is φ = 16040654172.

The previous prime is 16040654159. The next prime is 16040654177. The reversal of 16040654173 is 37145604061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14659639929 + 1381014244 = 121077^2 + 37162^2 .

It is a cyclic number.

It is not a de Polignac number, because 16040654173 - 2²¹ = 16038557021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16040654177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8020327086 + 8020327087.

It is an arithmetic number, because the mean of its divisors is an integer number (8020327087).

Almost surely, 2^16040654173 is an apocalyptic number.

It is an amenable number.

16040654173 is a deficient number, since it is larger than the sum of its proper divisors (1).

16040654173 is an equidigital number, since it uses as much as digits as its factorization.

16040654173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 16040654173 in words is "sixteen billion, forty million, six hundred fifty-four thousand, one hundred seventy-three".