1641848464 has 10 divisors (see below), whose sum is σ = 3181081430. Its totient is φ = 820924224.

The previous prime is 1641848449. The next prime is 1641848473. The reversal of 1641848464 is 4648481461.

It can be written as a sum of positive squares in only one way, i.e., 1260818064 + 381030400 = 35508^2 + 19520^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51307749 + ... + 51307780.

It is an arithmetic number, because the mean of its divisors is an integer number (318108143).

Almost surely, 2^1641848464 is an apocalyptic number.

It is an amenable number.

1641848464 is a deficient number, since it is larger than the sum of its proper divisors (1539232966).

1641848464 is a wasteful number, since it uses less digits than its factorization.

1641848464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102615537 (or 102615531 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The square root of 1641848464 is about 40519.7293179508. The cubic root of 1641848464 is about 1179.7165995655.

The spelling of 1641848464 in words is "one billion, six hundred forty-one million, eight hundred forty-eight thousand, four hundred sixty-four".