1640136001612 has 12 divisors (see below), whose sum is σ = 2873268883800. Its totient is φ = 819202034816.

The previous prime is 1640136001589. The next prime is 1640136001639. The reversal of 1640136001612 is 2161006310461.

It is a super-3 number, since 3×1640136001612³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216487237 + ... + 216494812.

It is an arithmetic number, because the mean of its divisors is an integer number (239439073650).

Almost surely, 2^{1640136001612} is an apocalyptic number.

It is an amenable number.

1640136001612 is a deficient number, since it is larger than the sum of its proper divisors (1233132882188).

1640136001612 is a wasteful number, since it uses less digits than its factorization.

1640136001612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432983000 (or 432982998 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 1640136001612 in words is "one trillion, six hundred forty billion, one hundred thirty-six million, one thousand, six hundred twelve".