1641015244 has 24 divisors (see below), whose sum is σ = 3170599488. Its totient is φ = 736927440.

The previous prime is 1641015239. The next prime is 1641015263. The reversal of 1641015244 is 4425101461.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221022 + ... + 228325.

It is an arithmetic number, because the mean of its divisors is an integer number (132108312).

Almost surely, 2^1641015244 is an apocalyptic number.

It is an amenable number.

1641015244 is a deficient number, since it is larger than the sum of its proper divisors (1529584244).

1641015244 is a wasteful number, since it uses less digits than its factorization.

1641015244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449445 (or 449443 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1641015244 is about 40509.4463551404. The cubic root of 1641015244 is about 1179.5170014063.

The spelling of 1641015244 in words is "one billion, six hundred forty-one million, fifteen thousand, two hundred forty-four".