16130749 has 2 divisors, whose sum is σ = 16130750. Its totient is φ = 16130748.

The previous prime is 16130743. The next prime is 16130759. The reversal of 16130749 is 94703161.

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., 10771524 + 5359225 = 3282^2 + 2315^2 .

It is a cyclic number.

It is not a de Polignac number, because 16130749 - 2⁹ = 16130237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16130749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16130743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8065374 + 8065375.

It is an arithmetic number, because the mean of its divisors is an integer number (8065375).

Almost surely, 2^16130749 is an apocalyptic number.

It is an amenable number.

16130749 is a deficient number, since it is larger than the sum of its proper divisors (1).

16130749 is an equidigital number, since it uses as much as digits as its factorization.

16130749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 16130749 is about 4016.3103714728. The cubic root of 16130749 is about 252.6687379787.

The spelling of 16130749 in words is "sixteen million, one hundred thirty thousand, seven hundred forty-nine".