1641486654 has 16 divisors (see below), whose sum is σ = 3647748240. Its totient is φ = 547162200.

The previous prime is 1641486641. The next prime is 1641486733. The reversal of 1641486654 is 4566841461.

1641486654 is a `hidden beast` number, since 164 + 1 + 486 + 6 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15198897 + ... + 15199004.

It is an arithmetic number, because the mean of its divisors is an integer number (227984265).

Almost surely, 2^1641486654 is an apocalyptic number.

1641486654 is an abundant number, since it is smaller than the sum of its proper divisors (2006261586).

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

1641486654 is a wasteful number, since it uses less digits than its factorization.

1641486654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30397912 (or 30397906 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 1641486654 is about 40515.2644567452. The cubic root of 1641486654 is about 1179.6299361432.

The spelling of 1641486654 in words is "one billion, six hundred forty-one million, four hundred eighty-six thousand, six hundred fifty-four".