1610665115 has 32 divisors (see below), whose sum is σ = 2021713344. Its totient is φ = 1230888960.

The previous prime is 1610665097. The next prime is 1610665151. The reversal of 1610665115 is 5115660161.

It is not a de Polignac number, because 1610665115 - 2²⁰ = 1609616539 is a prime.

It is a super-2 number, since 2×1610665115² = 5188484225355926450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2127317 + ... + 2128073.

It is an arithmetic number, because the mean of its divisors is an integer number (63178542).

Almost surely, 2^1610665115 is an apocalyptic number.

1610665115 is a deficient number, since it is larger than the sum of its proper divisors (411048229).

1610665115 is a wasteful number, since it uses less digits than its factorization.

1610665115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 1610665115 is about 40133.0925172731. The cubic root of 1610665115 is about 1172.2000912027.

The spelling of 1610665115 in words is "one billion, six hundred ten million, six hundred sixty-five thousand, one hundred fifteen".