3618771379560 has 384 divisors, whose sum is σ = 12798589939200. Its totient is φ = 883058319360.

The previous prime is 3618771379529. The next prime is 3618771379571. The reversal of 3618771379560 is 659731778163.

It is a happy number.

3618771379560 is a `hidden beast` number, since 3 + 61 + 8 + 7 + 7 + 1 + 3 + 7 + 9 + 560 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 366601425 + ... + 366611295.

It is an arithmetic number, because the mean of its divisors is an integer number (33329661300).

Almost surely, 2^{3618771379560} is an apocalyptic number.

3618771379560 is a gapful number since it is divisible by the number (30) 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 3618771379560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6399294969600).

3618771379560 is an abundant number, since it is smaller than the sum of its proper divisors (9179818559640).

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

3618771379560 is a wasteful number, since it uses less digits than its factorization.

3618771379560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11561 (or 11554 counting only the distinct ones).

The product of its (nonzero) digits is 40007520, while the sum is 63.

The spelling of 3618771379560 in words is "three trillion, six hundred eighteen billion, seven hundred seventy-one million, three hundred seventy-nine thousand, five hundred sixty".