1650164533 has 4 divisors (see below), whose sum is σ = 1650952800. Its totient is φ = 1649376268.

The previous prime is 1650164513. The next prime is 1650164539. The reversal of 1650164533 is 3354610561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1650164533 - 2¹⁷ = 1650033461 is a prime.

It is a super-2 number, since 2×1650164533² = 5446085971942216178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650164539) 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, 390985 + ... + 395182.

It is an arithmetic number, because the mean of its divisors is an integer number (412738200).

Almost surely, 2^1650164533 is an apocalyptic number.

It is an amenable number.

1650164533 is a deficient number, since it is larger than the sum of its proper divisors (788267).

1650164533 is an equidigital number, since it uses as much as digits as its factorization.

1650164533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788266.

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1650164533 is about 40622.2172339226. The cubic root of 1650164533 is about 1181.7050265380.

The spelling of 1650164533 in words is "one billion, six hundred fifty million, one hundred sixty-four thousand, five hundred thirty-three".