650161661001 has 8 divisors (see below), whose sum is σ = 866910056064. Its totient is φ = 433427186640.

The previous prime is 650161660999. The next prime is 650161661077. The reversal of 650161661001 is 100166161056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 650161661001 - 2¹ = 650161660999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650161661801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3370705 + ... + 3558366.

It is an arithmetic number, because the mean of its divisors is an integer number (108363757008).

Almost surely, 2^650161661001 is an apocalyptic number.

It is an amenable number.

650161661001 is a deficient number, since it is larger than the sum of its proper divisors (216748395063).

650161661001 is a wasteful number, since it uses less digits than its factorization.

650161661001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6960351.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 650161661001 in words is "six hundred fifty billion, one hundred sixty-one million, six hundred sixty-one thousand, one".