1641480355 has 16 divisors (see below), whose sum is σ = 1982880000. Its totient is φ = 1304471520.

The previous prime is 1641480289. The next prime is 1641480367. The reversal of 1641480355 is 5530841461.

It is a happy number.

It is not a de Polignac number, because 1641480355 - 2⁷ = 1641480227 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 965296 + ... + 966994.

It is an arithmetic number, because the mean of its divisors is an integer number (123930000).

Almost surely, 2^1641480355 is an apocalyptic number.

1641480355 is a deficient number, since it is larger than the sum of its proper divisors (341399645).

1641480355 is a wasteful number, since it uses less digits than its factorization.

1641480355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 1641480355 is about 40515.1867205373. The cubic root of 1641480355 is about 1179.6284272471.

It can be divided in two parts, 16414 and 80355, that added together give a palindrome (96769).

The spelling of 1641480355 in words is "one billion, six hundred forty-one million, four hundred eighty thousand, three hundred fifty-five".