650006026164 has 36 divisors (see below), whose sum is σ = 1792440861120. Its totient is φ = 196971522960.

The previous prime is 650006026127. The next prime is 650006026171. The reversal of 650006026164 is 461620600056.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 820714284 + ... + 820715075.

It is an arithmetic number, because the mean of its divisors is an integer number (49790023920).

Almost surely, 2^650006026164 is an apocalyptic number.

It is an amenable number.

650006026164 is an abundant number, since it is smaller than the sum of its proper divisors (1142434834956).

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

650006026164 is a wasteful number, since it uses less digits than its factorization.

650006026164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641429380 (or 1641429375 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 650006026164 in words is "six hundred fifty billion, six million, twenty-six thousand, one hundred sixty-four".