1828149968 has 20 divisors (see below), whose sum is σ = 3555830820. Its totient is φ = 910516224.

The previous prime is 1828149959. The next prime is 1828149997. The reversal of 1828149968 is 8699418281.

It can be written as a sum of positive squares in 2 ways, for example, as 1173199504 + 654950464 = 34252^2 + 25592^2 .

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218183 + ... + 226406.

It is an arithmetic number, because the mean of its divisors is an integer number (177791541).

Almost surely, 2^1828149968 is an apocalyptic number.

It is an amenable number.

1828149968 is a deficient number, since it is larger than the sum of its proper divisors (1727680852).

1828149968 is a wasteful number, since it uses less digits than its factorization.

1828149968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444854 (or 444848 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 56.

The square root of 1828149968 is about 42756.8704186824. The cubic root of 1828149968 is about 1222.7488782261.

The spelling of 1828149968 in words is "one billion, eight hundred twenty-eight million, one hundred forty-nine thousand, nine hundred sixty-eight".