16064761 has 2 divisors, whose sum is σ = 16064762. Its totient is φ = 16064760.

The previous prime is 16064731. The next prime is 16064801. The reversal of 16064761 is 16746061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15681600 + 383161 = 3960^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 16064761 - 2⁹ = 16064249 is a prime.

It is not a weakly prime, because it can be changed into another prime (16064701) 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, 8032380 + 8032381.

It is an arithmetic number, because the mean of its divisors is an integer number (8032381).

Almost surely, 2^16064761 is an apocalyptic number.

It is an amenable number.

16064761 is a deficient number, since it is larger than the sum of its proper divisors (1).

16064761 is an equidigital number, since it uses as much as digits as its factorization.

16064761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 16064761 is about 4008.0869501546. The cubic root of 16064761 is about 252.3237262653.

The spelling of 16064761 in words is "sixteen million, sixty-four thousand, seven hundred sixty-one".