650165601 has 16 divisors (see below), whose sum is σ = 873189504. Its totient is φ = 430303104.

The previous prime is 650165599. The next prime is 650165603. The reversal of 650165601 is 106561056.

It is an interprime number because it is at equal distance from previous prime (650165599) and next prime (650165603).

It is not a de Polignac number, because 650165601 - 2¹ = 650165599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (650165603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363756 + ... + 365538.

It is an arithmetic number, because the mean of its divisors is an integer number (54574344).

Almost surely, 2^650165601 is an apocalyptic number.

It is an amenable number.

650165601 is a deficient number, since it is larger than the sum of its proper divisors (223023903).

650165601 is a wasteful number, since it uses less digits than its factorization.

650165601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 650165601 is about 25498.3450639448. The cubic root of 650165601 is about 866.3126632289.

The spelling of 650165601 in words is "six hundred fifty million, one hundred sixty-five thousand, six hundred one".