2063661 has 8 divisors (see below), whose sum is σ = 2803680. Its totient is φ = 1349712.

The previous prime is 2063651. The next prime is 2063671. The reversal of 2063661 is 1663602.

It is an interprime number because it is at equal distance from previous prime (2063651) and next prime (2063671).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2063661 - 2⁶ = 2063597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2063651) 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, 6331 + ... + 6648.

It is an arithmetic number, because the mean of its divisors is an integer number (350460).

2^2063661 is an apocalyptic number.

It is an amenable number.

2063661 is a deficient number, since it is larger than the sum of its proper divisors (740019).

2063661 is a wasteful number, since it uses less digits than its factorization.

2063661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13035.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 2063661 is about 1436.5448130845. The cubic root of 2063661 is about 127.3149641975.

The spelling of 2063661 in words is "two million, sixty-three thousand, six hundred sixty-one".