1641563598 has 16 divisors (see below), whose sum is σ = 3283543296. Its totient is φ = 547118520.

The previous prime is 1641563597. The next prime is 1641563683. The reversal of 1641563598 is 8953651461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1641563591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61593 + ... + 84123.

It is an arithmetic number, because the mean of its divisors is an integer number (205221456).

Almost surely, 2^1641563598 is an apocalyptic number.

1641563598 is an abundant number, since it is smaller than the sum of its proper divisors (1641979698).

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

1641563598 is a wasteful number, since it uses less digits than its factorization.

1641563598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34679.

The product of its digits is 777600, while the sum is 48.

The square root of 1641563598 is about 40516.2140136514. The cubic root of 1641563598 is about 1179.6483674084.

The spelling of 1641563598 in words is "one billion, six hundred forty-one million, five hundred sixty-three thousand, five hundred ninety-eight".