16201061 has 2 divisors, whose sum is σ = 16201062. Its totient is φ = 16201060.

The previous prime is 16201057. The next prime is 16201103. The reversal of 16201061 is 16010261.

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., 8444836 + 7756225 = 2906^2 + 2785^2 .

It is an emirp because it is prime and its reverse (16010261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16201061 - 2² = 16201057 is a prime.

It is equal to p_1043180 and since 16201061 and 1043180 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16201261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8100530 + 8100531.

It is an arithmetic number, because the mean of its divisors is an integer number (8100531).

Almost surely, 2^16201061 is an apocalyptic number.

It is an amenable number.

16201061 is a deficient number, since it is larger than the sum of its proper divisors (1).

16201061 is an equidigital number, since it uses as much as digits as its factorization.

16201061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 16201061 is about 4025.0541611263. The cubic root of 16201061 is about 253.0353234333.

The spelling of 16201061 in words is "sixteen million, two hundred one thousand, sixty-one".