2061554306 has 16 divisors (see below), whose sum is σ = 3538893120. Its totient is φ = 882323280.

The previous prime is 2061554273. The next prime is 2061554323. The reversal of 2061554306 is 6034551602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89285 + ... + 109976.

It is an arithmetic number, because the mean of its divisors is an integer number (221180820).

Almost surely, 2^2061554306 is an apocalyptic number.

2061554306 is a deficient number, since it is larger than the sum of its proper divisors (1477338814).

2061554306 is a wasteful number, since it uses less digits than its factorization.

2061554306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200009.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2061554306 is about 45404.3423694254. The cubic root of 2061554306 is about 1272.7162616991.

The spelling of 2061554306 in words is "two billion, sixty-one million, five hundred fifty-four thousand, three hundred six".