2061771633 has 12 divisors (see below), whose sum is σ = 3050752068. Its totient is φ = 1340989440.

The previous prime is 2061771623. The next prime is 2061771641. The reversal of 2061771633 is 3361771602.

2061771633 is a `hidden beast` number, since 2 + 0 + 6 + 17 + 7 + 1 + 633 = 666.

2061771633 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 905227569 + 1156544064 = 30087^2 + 34008^2 .

It is not a de Polignac number, because 2061771633 - 2⁵ = 2061771601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2061771623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2793360 + ... + 2794097.

It is an arithmetic number, because the mean of its divisors is an integer number (254229339).

Almost surely, 2^2061771633 is an apocalyptic number.

It is an amenable number.

2061771633 is a deficient number, since it is larger than the sum of its proper divisors (988980435).

2061771633 is a wasteful number, since it uses less digits than its factorization.

2061771633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5587504 (or 5587501 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 2061771633 is about 45406.7355466125. The cubic root of 2061771633 is about 1272.7609829542.

The spelling of 2061771633 in words is "two billion, sixty-one million, seven hundred seventy-one thousand, six hundred thirty-three".