1641033165 has 8 divisors (see below), whose sum is σ = 2625653088. Its totient is φ = 875217680.

The previous prime is 1641033133. The next prime is 1641033197. The reversal of 1641033165 is 5613301461.

It is an interprime number because it is at equal distance from previous prime (1641033133) and next prime (1641033197).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1641033165 - 2⁵ = 1641033133 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54701091 + ... + 54701120.

It is an arithmetic number, because the mean of its divisors is an integer number (328206636).

Almost surely, 2^1641033165 is an apocalyptic number.

1641033165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1641033165 is a deficient number, since it is larger than the sum of its proper divisors (984619923).

1641033165 is a wasteful number, since it uses less digits than its factorization.

1641033165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109402219.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 1641033165 is about 40509.6675498578. The cubic root of 1641033165 is about 1179.5212950994.

The spelling of 1641033165 in words is "one billion, six hundred forty-one million, thirty-three thousand, one hundred sixty-five".