1640504241122 has 16 divisors (see below), whose sum is σ = 2477826115200. Its totient is φ = 814564667952.

The previous prime is 1640504241107. The next prime is 1640504241151. The reversal of 1640504241122 is 2211424050461.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721943 + ... + 1949925.

It is an arithmetic number, because the mean of its divisors is an integer number (154864132200).

Almost surely, 2^{1640504241122} is an apocalyptic number.

1640504241122 is a deficient number, since it is larger than the sum of its proper divisors (837321874078).

1640504241122 is a wasteful number, since it uses less digits than its factorization.

1640504241122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232617.

The product of its (nonzero) digits is 15360, while the sum is 32.

Adding to 1640504241122 its reverse (2211424050461), we get a palindrome (3851928291583).

The spelling of 1640504241122 in words is "one trillion, six hundred forty billion, five hundred four million, two hundred forty-one thousand, one hundred twenty-two".