1650606961 has 8 divisors (see below), whose sum is σ = 1674600320. Its totient is φ = 1626691248.

The previous prime is 1650606953. The next prime is 1650606967. The reversal of 1650606961 is 1696060561.

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 1650606961 - 2³ = 1650606953 is a prime.

It is a super-3 number, since 3×1650606961³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1650606967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24115 + ... + 62311.

It is an arithmetic number, because the mean of its divisors is an integer number (209325040).

Almost surely, 2^1650606961 is an apocalyptic number.

It is an amenable number.

1650606961 is a deficient number, since it is larger than the sum of its proper divisors (23993359).

1650606961 is an equidigital number, since it uses as much as digits as its factorization.

1650606961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38823.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1650606961 is about 40627.6625096744. The cubic root of 1650606961 is about 1181.8106266490.

The spelling of 1650606961 in words is "one billion, six hundred fifty million, six hundred six thousand, nine hundred sixty-one".