1640136001603 has 16 divisors (see below), whose sum is σ = 1806883603200. Its totient is φ = 1476333499680.

The previous prime is 1640136001589. The next prime is 1640136001639. The reversal of 1640136001603 is 3061006310461.

It is a cyclic number.

It is not a de Polignac number, because 1640136001603 - 2¹³ = 1640135993411 is a prime.

It is a super-2 number, since 2×1640136001603² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1640136001663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7631268 + ... + 7843246.

It is an arithmetic number, because the mean of its divisors is an integer number (112930225200).

Almost surely, 2^{1640136001603} is an apocalyptic number.

1640136001603 is a deficient number, since it is larger than the sum of its proper divisors (166747601597).

1640136001603 is a wasteful number, since it uses less digits than its factorization.

1640136001603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218922.

The product of its (nonzero) digits is 7776, while the sum is 31.

It can be divided in two parts, 164013 and 6001603, that added together give a palindrome (6165616).

The spelling of 1640136001603 in words is "one trillion, six hundred forty billion, one hundred thirty-six million, one thousand, six hundred three".