650020151060661 has 32 divisors (see below), whose sum is σ = 901604465136000. Its totient is φ = 416058884011008.

The previous prime is 650020151060653. The next prime is 650020151060701. The reversal of 650020151060661 is 166060151020056.

It is not a de Polignac number, because 650020151060661 - 2³ = 650020151060653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650020153060661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947881641 + ... + 948567153.

It is an arithmetic number, because the mean of its divisors is an integer number (28175139535500).

Almost surely, 2^{650020151060661} is an apocalyptic number.

It is an amenable number.

650020151060661 is a deficient number, since it is larger than the sum of its proper divisors (251584314075339).

650020151060661 is a wasteful number, since it uses less digits than its factorization.

650020151060661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746613.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 650020151060661 in words is "six hundred fifty trillion, twenty billion, one hundred fifty-one million, sixty thousand, six hundred sixty-one".