2421056066 has 32 divisors (see below), whose sum is σ = 4277423808. Its totient is φ = 1013221440.

The previous prime is 2421055999. The next prime is 2421056081. The reversal of 2421056066 is 6606501242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102881 + ... + 124203.

It is an arithmetic number, because the mean of its divisors is an integer number (133669494).

Almost surely, 2^2421056066 is an apocalyptic number.

2421056066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2421056066 is a deficient number, since it is larger than the sum of its proper divisors (1856367742).

2421056066 is a wasteful number, since it uses less digits than its factorization.

2421056066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21746.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2421056066 is about 49204.2281313303. The cubic root of 2421056066 is about 1342.7699563121.

The spelling of 2421056066 in words is "two billion, four hundred twenty-one million, fifty-six thousand, sixty-six".