6151189571640 has 384 divisors, whose sum is σ = 21447504000000. Its totient is φ = 1524374691840.

The previous prime is 6151189571599. The next prime is 6151189571647. The reversal of 6151189571640 is 461759811516.

6151189571640 is a `hidden beast` number, since 6 + 1 + 5 + 1 + 1 + 8 + 9 + 571 + 64 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6151189571647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 96610536 + ... + 96674184.

It is an arithmetic number, because the mean of its divisors is an integer number (55852875000).

Almost surely, 2^{6151189571640} is an apocalyptic number.

6151189571640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6151189571640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10723752000000).

6151189571640 is an abundant number, since it is smaller than the sum of its proper divisors (15296314428360).

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

6151189571640 is a wasteful number, since it uses less digits than its factorization.

6151189571640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63955 (or 63948 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 54.

The spelling of 6151189571640 in words is "six trillion, one hundred fifty-one billion, one hundred eighty-nine million, five hundred seventy-one thousand, six hundred forty".