1641514896 has 150 divisors (see below), whose sum is σ = 5526910950. Its totient is φ = 468986112.

The previous prime is 1641514873. The next prime is 1641514907. The reversal of 1641514896 is 6984151461.

1641514896 is a `hidden beast` number, since 1 + 6 + 41 + 514 + 8 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 914457600 + 727057296 = 30240^2 + 26964^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 50580 + ... + 76428.

It is an arithmetic number, because the mean of its divisors is an integer number (36846073).

Almost surely, 2^1641514896 is an apocalyptic number.

1641514896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1641514896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2763455475).

1641514896 is an abundant number, since it is smaller than the sum of its proper divisors (3885396054).

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

1641514896 is a wasteful number, since it uses less digits than its factorization.

1641514896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25883 (or 25861 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1641514896 is about 40515.6129905497. The cubic root of 1641514896 is about 1179.6367013353.

The spelling of 1641514896 in words is "one billion, six hundred forty-one million, five hundred fourteen thousand, eight hundred ninety-six".