1650411061 has 4 divisors (see below), whose sum is σ = 1777365772. Its totient is φ = 1523456352.

The previous prime is 1650411031. The next prime is 1650411073. The reversal of 1650411061 is 1601140561.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 135722500 + 1514688561 = 11650^2 + 38919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650411061 - 2¹³ = 1650402869 is a prime.

It is a super-2 number, since 2×1650411061² = 5447713340542291442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1650411031) 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, 63477336 + ... + 63477361.

It is an arithmetic number, because the mean of its divisors is an integer number (444341443).

Almost surely, 2^1650411061 is an apocalyptic number.

It is an amenable number.

1650411061 is a deficient number, since it is larger than the sum of its proper divisors (126954711).

1650411061 is a wasteful number, since it uses less digits than its factorization.

1650411061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126954710.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 1650411061 is about 40625.2515192214. The cubic root of 1650411061 is about 1181.7638709471.

The spelling of 1650411061 in words is "one billion, six hundred fifty million, four hundred eleven thousand, sixty-one".