16506102073 has 2 divisors, whose sum is σ = 16506102074. Its totient is φ = 16506102072.

The previous prime is 16506102031. The next prime is 16506102101. The reversal of 16506102073 is 37020160561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16332073209 + 174028864 = 127797^2 + 13192^2 .

It is a cyclic number.

It is not a de Polignac number, because 16506102073 - 2²¹ = 16504004921 is a prime.

It is not a weakly prime, because it can be changed into another prime (16506102023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8253051036 + 8253051037.

It is an arithmetic number, because the mean of its divisors is an integer number (8253051037).

Almost surely, 2^16506102073 is an apocalyptic number.

It is an amenable number.

16506102073 is a deficient number, since it is larger than the sum of its proper divisors (1).

16506102073 is an equidigital number, since it uses as much as digits as its factorization.

16506102073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 16506102073 in words is "sixteen billion, five hundred six million, one hundred two thousand, seventy-three".