1601101499 has 2 divisors, whose sum is σ = 1601101500. Its totient is φ = 1601101498.

The previous prime is 1601101493. The next prime is 1601101529. The reversal of 1601101499 is 9941011061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1601101499 - 2¹⁶ = 1601035963 is a prime.

It is not a weakly prime, because it can be changed into another prime (1601101493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 800550749 + 800550750.

It is an arithmetic number, because the mean of its divisors is an integer number (800550750).

Almost surely, 2^1601101499 is an apocalyptic number.

1601101499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1601101499 is an equidigital number, since it uses as much as digits as its factorization.

1601101499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The square root of 1601101499 is about 40013.7663685887. The cubic root of 1601101499 is about 1169.8754339344.

The spelling of 1601101499 in words is "one billion, six hundred one million, one hundred one thousand, four hundred ninety-nine".