918131793077560 has 64 divisors (see below), whose sum is σ = 2122085251512000. Its totient is φ = 357250104400896.

The previous prime is 918131793077557. The next prime is 918131793077567. The reversal of 918131793077560 is 65770397131819.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918131793077567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59839132 + ... + 73600171.

It is an arithmetic number, because the mean of its divisors is an integer number (33157582054875).

Almost surely, 2^{918131793077560} is an apocalyptic number.

It is an amenable number.

918131793077560 is an abundant number, since it is smaller than the sum of its proper divisors (1203953458434440).

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

918131793077560 is a wasteful number, since it uses less digits than its factorization.

918131793077560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133444000 (or 133443996 counting only the distinct ones).

The product of its (nonzero) digits is 60011280, while the sum is 67.

The spelling of 918131793077560 in words is "nine hundred eighteen trillion, one hundred thirty-one billion, seven hundred ninety-three million, seventy-seven thousand, five hundred sixty".