1601106099 has 4 divisors (see below), whose sum is σ = 2134808136. Its totient is φ = 1067404064.

The previous prime is 1601106077. The next prime is 1601106103. The reversal of 1601106099 is 9906011061.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1601106099 - 2⁷ = 1601105971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1601106499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266851014 + ... + 266851019.

It is an arithmetic number, because the mean of its divisors is an integer number (533702034).

Almost surely, 2^1601106099 is an apocalyptic number.

1601106099 is a deficient number, since it is larger than the sum of its proper divisors (533702037).

1601106099 is an equidigital number, since it uses as much as digits as its factorization.

1601106099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533702036.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 1601106099 is about 40013.8238487651. The cubic root of 1601106099 is about 1169.8765542926.

The spelling of 1601106099 in words is "one billion, six hundred one million, one hundred six thousand, ninety-nine".