1645068350 has 24 divisors (see below), whose sum is σ = 3098566560. Its totient is φ = 649696320.

The previous prime is 1645068343. The next prime is 1645068361. The reversal of 1645068350 is 538605461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204287 + ... + 212186.

It is an arithmetic number, because the mean of its divisors is an integer number (129106940).

Almost surely, 2^1645068350 is an apocalyptic number.

1645068350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1645068350 is a deficient number, since it is larger than the sum of its proper divisors (1453498210).

1645068350 is a wasteful number, since it uses less digits than its factorization.

1645068350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416564 (or 416559 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 1645068350 is about 40559.4421805823. The cubic root of 1645068350 is about 1180.4872903631.

The spelling of 1645068350 in words is "one billion, six hundred forty-five million, sixty-eight thousand, three hundred fifty".