1641000424 has 32 divisors (see below), whose sum is σ = 3538846080. Its totient is φ = 698802624.

The previous prime is 1641000421. The next prime is 1641000437. The reversal of 1641000424 is 4240001461.

It is a junction number, because it is equal to n+sod(n) for n = 1641000395 and 1641000404.

It is not an unprimeable number, because it can be changed into a prime (1641000421) 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, 84532 + ... + 102115.

It is an arithmetic number, because the mean of its divisors is an integer number (110588940).

Almost surely, 2^1641000424 is an apocalyptic number.

1641000424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1641000424 is an abundant number, since it is smaller than the sum of its proper divisors (1897845656).

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

1641000424 is a wasteful number, since it uses less digits than its factorization.

1641000424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186817 (or 186813 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1641000424 is about 40509.2634344294. The cubic root of 1641000424 is about 1179.5134506583.

Adding to 1641000424 its reverse (4240001461), we get a palindrome (5881001885).

The spelling of 1641000424 in words is "one billion, six hundred forty-one million, four hundred twenty-four", and thus it is an aban number.