1650090128 has 40 divisors (see below), whose sum is σ = 3281040000. Its totient is φ = 803597184.

The previous prime is 1650090097. The next prime is 1650090133. The reversal of 1650090128 is 8210900561.

It is a junction number, because it is equal to n+sod(n) for n = 1650090094 and 1650090103.

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 7 ways as a sum of consecutive naturals, for example, 110873 + ... + 124871.

It is an arithmetic number, because the mean of its divisors is an integer number (82026000).

Almost surely, 2^1650090128 is an apocalyptic number.

It is an amenable number.

1650090128 is a deficient number, since it is larger than the sum of its proper divisors (1630949872).

1650090128 is a wasteful number, since it uses less digits than its factorization.

1650090128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14199 (or 14193 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1650090128 is about 40621.3014070204. The cubic root of 1650090128 is about 1181.6872654638.

Adding to 1650090128 its reverse (8210900561), we get a palindrome (9860990689).

The spelling of 1650090128 in words is "one billion, six hundred fifty million, ninety thousand, one hundred twenty-eight".