2061856476 has 18 divisors (see below), whose sum is σ = 5211915072. Its totient is φ = 687285480.

The previous prime is 2061856427. The next prime is 2061856481. The reversal of 2061856476 is 6746581602.

2061856476 is a `hidden beast` number, since 2 + 0 + 6 + 18 + 564 + 76 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28636860 + ... + 28636931.

Almost surely, 2^2061856476 is an apocalyptic number.

It is an amenable number.

2061856476 is an abundant number, since it is smaller than the sum of its proper divisors (3150058596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2061856476 is a wasteful number, since it uses less digits than its factorization.

2061856476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57273801 (or 57273796 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 2061856476 is about 45407.6697926683. The cubic root of 2061856476 is about 1272.7784409787.

The spelling of 2061856476 in words is "two billion, sixty-one million, eight hundred fifty-six thousand, four hundred seventy-six".