650616101 has 4 divisors (see below), whose sum is σ = 665746752. Its totient is φ = 635485452.

The previous prime is 650616091. The next prime is 650616119. The reversal of 650616101 is 101616056.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 650616101 - 2⁶ = 650616037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650616121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7565261 + ... + 7565346.

It is an arithmetic number, because the mean of its divisors is an integer number (166436688).

Almost surely, 2^650616101 is an apocalyptic number.

It is an amenable number.

650616101 is a deficient number, since it is larger than the sum of its proper divisors (15130651).

650616101 is a wasteful number, since it uses less digits than its factorization.

650616101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15130650.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 650616101 is about 25507.1774408695. The cubic root of 650616101 is about 866.5127064940.

The spelling of 650616101 in words is "six hundred fifty million, six hundred sixteen thousand, one hundred one".