2087618690368 has 224 divisors, whose sum is σ = 4576131624960. Its totient is φ = 941589411840.

The previous prime is 2087618690363. The next prime is 2087618690371. The reversal of 2087618690368 is 8630968167802.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087618690363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1627137855 + ... + 1627139137.

It is an arithmetic number, because the mean of its divisors is an integer number (20429159040).

Almost surely, 2^{2087618690368} 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 2087618690368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2288065812480).

2087618690368 is an abundant number, since it is smaller than the sum of its proper divisors (2488512934592).

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

2087618690368 is a wasteful number, since it uses less digits than its factorization.

2087618690368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2205 (or 2195 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 2087618690368 in words is "two trillion, eighty-seven billion, six hundred eighteen million, six hundred ninety thousand, three hundred sixty-eight".