16061501 has 2 divisors, whose sum is σ = 16061502. Its totient is φ = 16061500.

The previous prime is 16061473. The next prime is 16061509. The reversal of 16061501 is 10516061.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15413476 + 648025 = 3926^2 + 805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16061501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16061509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8030750 + 8030751.

It is an arithmetic number, because the mean of its divisors is an integer number (8030751).

Almost surely, 2^16061501 is an apocalyptic number.

It is an amenable number.

16061501 is a deficient number, since it is larger than the sum of its proper divisors (1).

16061501 is an equidigital number, since it uses as much as digits as its factorization.

16061501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 16061501 is about 4007.6802517167. The cubic root of 16061501 is about 252.3066572077.

Adding to 16061501 its reverse (10516061), we get a palindrome (26577562).

The spelling of 16061501 in words is "sixteen million, sixty-one thousand, five hundred one".