2006421546 has 32 divisors (see below), whose sum is σ = 4227301440. Its totient is φ = 633118464.

The previous prime is 2006421541. The next prime is 2006421569. The reversal of 2006421546 is 6451246002.

It is not an unprimeable number, because it can be changed into a prime (2006421541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159586 + ... + 171698.

It is an arithmetic number, because the mean of its divisors is an integer number (132103170).

Almost surely, 2^2006421546 is an apocalyptic number.

2006421546 is an abundant number, since it is smaller than the sum of its proper divisors (2220879894).

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

2006421546 is a wasteful number, since it uses less digits than its factorization.

2006421546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2006421546 is about 44793.0970797957. The cubic root of 2006421546 is about 1261.2680494483.

Adding to 2006421546 its reverse (6451246002), we get a palindrome (8457667548).

The spelling of 2006421546 in words is "two billion, six million, four hundred twenty-one thousand, five hundred forty-six".