76191027660 has 144 divisors (see below), whose sum is σ = 252812431872. Its totient is φ = 18420048000.

The previous prime is 76191027629. The next prime is 76191027667. The reversal of 76191027660 is 6672019167.

It is a happy number.

76191027660 is a `hidden beast` number, since 7 + 619 + 1 + 0 + 27 + 6 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (76191027667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 674235 + ... + 779085.

It is an arithmetic number, because the mean of its divisors is an integer number (1755641888).

Almost surely, 2^76191027660 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 76191027660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126406215936).

76191027660 is an abundant number, since it is smaller than the sum of its proper divisors (176621404212).

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

76191027660 is a wasteful number, since it uses less digits than its factorization.

76191027660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105244 (or 105239 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 76191027660 in words is "seventy-six billion, one hundred ninety-one million, twenty-seven thousand, six hundred sixty".