1640161024 has 18 divisors (see below), whose sum is σ = 3273915680. Its totient is φ = 820080384.

The previous prime is 1640161009. The next prime is 1640161031. The reversal of 1640161024 is 4201610461.

It is a self number, because there is not a number n which added to its sum of digits gives 1640161024.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3203184 + ... + 3203695.

Almost surely, 2^1640161024 is an apocalyptic number.

It is an amenable number.

1640161024 is a deficient number, since it is larger than the sum of its proper divisors (1633754656).

1640161024 is an frugal number, since it uses more digits than its factorization.

1640161024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6406895 (or 6406881 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1640161024 is about 40498.9015159671. The cubic root of 1640161024 is about 1179.3123025378.

Adding to 1640161024 its reverse (4201610461), we get a palindrome (5841771485).

The spelling of 1640161024 in words is "one billion, six hundred forty million, one hundred sixty-one thousand, twenty-four".