650433043164 has 24 divisors (see below), whose sum is σ = 1518723093888. Its totient is φ = 216661586800.

The previous prime is 650433043133. The next prime is 650433043171. The reversal of 650433043164 is 461340334056.

It is a congruent number.

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, 18660312 + ... + 18695135.

It is an arithmetic number, because the mean of its divisors is an integer number (63280128912).

Almost surely, 2^650433043164 is an apocalyptic number.

It is an amenable number.

650433043164 is an abundant number, since it is smaller than the sum of its proper divisors (868290050724).

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

650433043164 is a wasteful number, since it uses less digits than its factorization.

650433043164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37356905 (or 37356903 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 650433043164 in words is "six hundred fifty billion, four hundred thirty-three million, forty-three thousand, one hundred sixty-four".