1640112237998 has 24 divisors (see below), whose sum is σ = 2664085740408. Its totient is φ = 756941788512.

The previous prime is 1640112237991. The next prime is 1640112238019. The reversal of 1640112237998 is 8997322110461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1640112237991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8723036 + ... + 8909072.

It is an arithmetic number, because the mean of its divisors is an integer number (111003572517).

Almost surely, 2^{1640112237998} is an apocalyptic number.

1640112237998 is a deficient number, since it is larger than the sum of its proper divisors (1023973502410).

1640112237998 is a wasteful number, since it uses less digits than its factorization.

1640112237998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212148 (or 212135 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 53.

The spelling of 1640112237998 in words is "one trillion, six hundred forty billion, one hundred twelve million, two hundred thirty-seven thousand, nine hundred ninety-eight".