7746748773168 has 160 divisors (see below), whose sum is σ = 21768304257216. Its totient is φ = 2364018130944.

The previous prime is 7746748773167. The next prime is 7746748773209. The reversal of 7746748773168 is 8613778476477.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7746748773168.

It is not an unprimeable number, because it can be changed into a prime (7746748773161) 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, 116296480 + ... + 116363072.

Almost surely, 2^{7746748773168} 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 7746748773168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10884152128608).

7746748773168 is an abundant number, since it is smaller than the sum of its proper divisors (14021555484048).

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

7746748773168 is a wasteful number, since it uses less digits than its factorization.

7746748773168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70511 (or 70505 counting only the distinct ones).

The product of its digits is 1858719744, while the sum is 75.

The spelling of 7746748773168 in words is "seven trillion, seven hundred forty-six billion, seven hundred forty-eight million, seven hundred seventy-three thousand, one hundred sixty-eight".