1004557611768 has 32 divisors (see below), whose sum is σ = 2536259322960. Its totient is φ = 331537164800.

The previous prime is 1004557611703. The next prime is 1004557611773. The reversal of 1004557611768 is 8671167554001.

It is a super-2 number, since 2×1004557611768² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1004557611768.

It is a congruent number.

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, 207208305 + ... + 207213152.

Almost surely, 2^{1004557611768} is an apocalyptic number.

It is an amenable number.

1004557611768 is an abundant number, since it is smaller than the sum of its proper divisors (1531701711192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1004557611768 is a wasteful number, since it uses less digits than its factorization.

1004557611768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414421567 (or 414421563 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 1004557611768 in words is "one trillion, four billion, five hundred fifty-seven million, six hundred eleven thousand, seven hundred sixty-eight".