1611001654992 has 60 divisors (see below), whose sum is σ = 4508842472160. Its totient is φ = 536967756864.

The previous prime is 1611001654987. The next prime is 1611001655047. The reversal of 1611001654992 is 2994561001161.

1611001654992 is a `hidden beast` number, since 1 + 6 + 1 + 1 + 0 + 0 + 16 + 549 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2084109 + ... + 2750547.

It is an arithmetic number, because the mean of its divisors is an integer number (75147374536).

Almost surely, 2^{1611001654992} is an apocalyptic number.

1611001654992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1611001654992 is an abundant number, since it is smaller than the sum of its proper divisors (2897840817168).

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

1611001654992 is a wasteful number, since it uses less digits than its factorization.

1611001654992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683240 (or 683231 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 45.

The spelling of 1611001654992 in words is "one trillion, six hundred eleven billion, one million, six hundred fifty-four thousand, nine hundred ninety-two".