650164420 has 24 divisors (see below), whose sum is σ = 1437206400. Its totient is φ = 246377952.

The previous prime is 650164393. The next prime is 650164441. The reversal of 650164420 is 24461056.

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, 855100 + ... + 855859.

It is an arithmetic number, because the mean of its divisors is an integer number (59883600).

Almost surely, 2^650164420 is an apocalyptic number.

It is an amenable number.

650164420 is an abundant number, since it is smaller than the sum of its proper divisors (787041980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650164420 is a wasteful number, since it uses less digits than its factorization.

650164420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710987 (or 1710985 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 650164420 is about 25498.3219055686. The cubic root of 650164420 is about 866.3121386877.

The spelling of 650164420 in words is "six hundred fifty million, one hundred sixty-four thousand, four hundred twenty".