2061550264 has 8 divisors (see below), whose sum is σ = 3865406760. Its totient is φ = 1030775128.

The previous prime is 2061550261. The next prime is 2061550277. The reversal of 2061550264 is 4620551602.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061550261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128846884 + ... + 128846899.

It is an arithmetic number, because the mean of its divisors is an integer number (483175845).

Almost surely, 2^2061550264 is an apocalyptic number.

It is an amenable number.

2061550264 is a deficient number, since it is larger than the sum of its proper divisors (1803856496).

2061550264 is a wasteful number, since it uses less digits than its factorization.

2061550264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257693789 (or 257693785 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 2061550264 is about 45404.2978582425. The cubic root of 2061550264 is about 1272.7154299121.

The spelling of 2061550264 in words is "two billion, sixty-one million, five hundred fifty thousand, two hundred sixty-four".