1650663361 has 8 divisors (see below), whose sum is σ = 1738090880. Its totient is φ = 1563290928.

The previous prime is 1650663353. The next prime is 1650663397. The reversal of 1650663361 is 1633660561.

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

It is a cyclic number.

It is not a de Polignac number, because 1650663361 - 2³ = 1650663353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1650663361.

It is not an unprimeable number, because it can be changed into a prime (1650663341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57160 + ... + 81046.

It is an arithmetic number, because the mean of its divisors is an integer number (217261360).

Almost surely, 2^1650663361 is an apocalyptic number.

It is an amenable number.

1650663361 is a deficient number, since it is larger than the sum of its proper divisors (87427519).

1650663361 is a wasteful number, since it uses less digits than its factorization.

1650663361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27543.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 1650663361 is about 40628.3566121004. The cubic root of 1650663361 is about 1181.8240870229.

The spelling of 1650663361 in words is "one billion, six hundred fifty million, six hundred sixty-three thousand, three hundred sixty-one".