16020102061 has 2 divisors, whose sum is σ = 16020102062. Its totient is φ = 16020102060.

The previous prime is 16020102037. The next prime is 16020102089.

16020102061 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14427613225 + 1592488836 = 120115^2 + 39906^2 .

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16020102061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16020102001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8010051030 + 8010051031.

It is an arithmetic number, because the mean of its divisors is an integer number (8010051031).

Almost surely, 2^16020102061 is an apocalyptic number.

It is an amenable number.

16020102061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16020102061 is an equidigital number, since it uses as much as digits as its factorization.

16020102061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The spelling of 16020102061 in words is "sixteen billion, twenty million, one hundred two thousand, sixty-one".