1602050661 has 6 divisors (see below), whose sum is σ = 2314073190. Its totient is φ = 1068033768.

The previous prime is 1602050629. The next prime is 1602050701. The reversal of 1602050661 is 1660502061.

It is a happy number.

1602050661 is a `hidden beast` number, since 1 + 602 + 0 + 50 + 6 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1236858561 + 365192100 = 35169^2 + 19110^2 .

It is not a de Polignac number, because 1602050661 - 2⁵ = 1602050629 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1602050621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89002806 + ... + 89002823.

It is an arithmetic number, because the mean of its divisors is an integer number (385678865).

Almost surely, 2^1602050661 is an apocalyptic number.

It is an amenable number.

1602050661 is a deficient number, since it is larger than the sum of its proper divisors (712022529).

1602050661 is a wasteful number, since it uses less digits than its factorization.

1602050661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178005635 (or 178005632 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1602050661 is about 40025.6250544573. The cubic root of 1602050661 is about 1170.1065627245.

The spelling of 1602050661 in words is "one billion, six hundred two million, fifty thousand, six hundred sixty-one".