1828451616 has 48 divisors (see below), whose sum is σ = 4810879584. Its totient is φ = 608062464.

The previous prime is 1828451593. The next prime is 1828451623. The reversal of 1828451616 is 6161548281.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1828451616² = 6686470624106022912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19575 + ... + 63561.

It is an arithmetic number, because the mean of its divisors is an integer number (100226658).

Almost surely, 2^1828451616 is an apocalyptic number.

1828451616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1828451616 is an abundant number, since it is smaller than the sum of its proper divisors (2982427968).

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

1828451616 is a wasteful number, since it uses less digits than its factorization.

1828451616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44433 (or 44425 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 1828451616 is about 42760.3977530612. The cubic root of 1828451616 is about 1222.8161264416.

Adding to 1828451616 its reverse (6161548281), we get a palindrome (7989999897).

The spelling of 1828451616 in words is "one billion, eight hundred twenty-eight million, four hundred fifty-one thousand, six hundred sixteen".