6149755663992 has 160 divisors (see below), whose sum is σ = 18307601532000. Its totient is φ = 1921998329856.

The previous prime is 6149755663991. The next prime is 6149755663999. The reversal of 6149755663992 is 2993665579416.

6149755663992 is a `hidden beast` number, since 6 + 1 + 4 + 9 + 7 + 556 + 63 + 9 + 9 + 2 = 666.

It is a super-3 number, since 3×6149755663992³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 6149755663992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6149755663991) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1835884 + ... + 3958532.

It is an arithmetic number, because the mean of its divisors is an integer number (114422509575).

Almost surely, 2^{6149755663992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6149755663992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9153800766000).

6149755663992 is an abundant number, since it is smaller than the sum of its proper divisors (12157845868008).

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

6149755663992 is a wasteful number, since it uses less digits than its factorization.

6149755663992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122947 (or 2122934 counting only the distinct ones).

The product of its digits is 661348800, while the sum is 72.

The spelling of 6149755663992 in words is "six trillion, one hundred forty-nine billion, seven hundred fifty-five million, six hundred sixty-three thousand, nine hundred ninety-two".