2061641004 has 24 divisors (see below), whose sum is σ = 4812487680. Its totient is φ = 686929104.

The previous prime is 2061640993. The next prime is 2061641009. The reversal of 2061641004 is 4001461602.

It is not an unprimeable number, because it can be changed into a prime (2061641009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4284 + ... + 64355.

It is an arithmetic number, because the mean of its divisors is an integer number (200520320).

Almost surely, 2^2061641004 is an apocalyptic number.

It is an amenable number.

2061641004 is an abundant number, since it is smaller than the sum of its proper divisors (2750846676).

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

2061641004 is a wasteful number, since it uses less digits than its factorization.

2061641004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71149 (or 71147 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2061641004 is about 45405.2970918592. The cubic root of 2061641004 is about 1272.7341026727.

The spelling of 2061641004 in words is "two billion, sixty-one million, six hundred forty-one thousand, four".