650544115616 has 12 divisors (see below), whose sum is σ = 1280758727682. Its totient is φ = 325272057792.

The previous prime is 650544115577. The next prime is 650544115621. The reversal of 650544115616 is 616511445056.

It can be written as a sum of positive squares in only one way, i.e., 611179968400 + 39364147216 = 781780^2 + 198404^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10164751775 + ... + 10164751838.

Almost surely, 2^650544115616 is an apocalyptic number.

It is an amenable number.

650544115616 is a deficient number, since it is larger than the sum of its proper divisors (630214612066).

650544115616 is a wasteful number, since it uses less digits than its factorization.

650544115616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20329503623 (or 20329503615 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 650544115616 in words is "six hundred fifty billion, five hundred forty-four million, one hundred fifteen thousand, six hundred sixteen".