1768616870454 has 72 divisors (see below), whose sum is σ = 4460028143688. Its totient is φ = 505047977280.

The previous prime is 1768616870437. The next prime is 1768616870477. The reversal of 1768616870454 is 4540786168671.

1768616870454 is a `hidden beast` number, since 1 + 7 + 6 + 8 + 616 + 8 + 7 + 0 + 4 + 5 + 4 = 666.

It is a super-2 number, since 2×1768616870454² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1768616870391 and 1768616870400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1109674 + ... + 2183714.

It is an arithmetic number, because the mean of its divisors is an integer number (61944835329).

Almost surely, 2^{1768616870454} is an apocalyptic number.

1768616870454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1768616870454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2230014071844).

1768616870454 is an abundant number, since it is smaller than the sum of its proper divisors (2691411273234).

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

1768616870454 is a wasteful number, since it uses less digits than its factorization.

1768616870454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075930 (or 1075920 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 1768616870454 in words is "one trillion, seven hundred sixty-eight billion, six hundred sixteen million, eight hundred seventy thousand, four hundred fifty-four".