1641430550 has 48 divisors (see below), whose sum is σ = 3120133632. Its totient is φ = 642297600.

The previous prime is 1641430547. The next prime is 1641430561. The reversal of 1641430550 is 550341461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 461780 + ... + 465320.

It is an arithmetic number, because the mean of its divisors is an integer number (65002784).

Almost surely, 2^1641430550 is an apocalyptic number.

1641430550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1641430550 is a deficient number, since it is larger than the sum of its proper divisors (1478703082).

1641430550 is a wasteful number, since it uses less digits than its factorization.

1641430550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3753 (or 3748 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1641430550 is about 40514.5720698121. The cubic root of 1641430550 is about 1179.6164965554.

It can be divided in two parts, 16414 and 30550, that added together give a palindrome (46964).

The spelling of 1641430550 in words is "one billion, six hundred forty-one million, four hundred thirty thousand, five hundred fifty".