16534165146061 has 2 divisors, whose sum is σ = 16534165146062. Its totient is φ = 16534165146060.

The previous prime is 16534165146053. The next prime is 16534165146089. The reversal of 16534165146061 is 16064156143561.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13050380225961 + 3483784920100 = 3612531^2 + 1866490^2 .

It is an emirp because it is prime and its reverse (16064156143561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16534165146061 - 2³ = 16534165146053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16534165145996 and 16534165146014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16534165146001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8267082573030 + 8267082573031.

It is an arithmetic number, because the mean of its divisors is an integer number (8267082573031).

Almost surely, 2^{16534165146061} is an apocalyptic number.

It is an amenable number.

16534165146061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16534165146061 is an equidigital number, since it uses as much as digits as its factorization.

16534165146061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 16534165146061 in words is "sixteen trillion, five hundred thirty-four billion, one hundred sixty-five million, one hundred forty-six thousand, sixty-one".