770166391046976 has 2688 divisors, whose sum is σ = 3052794479616000. Its totient is φ = 185946340884480.

The previous prime is 770166391046971. The next prime is 770166391047013. The reversal of 770166391046976 is 679640193661077.

770166391046976 is a `hidden beast` number, since 7 + 7 + 0 + 1 + 6 + 6 + 3 + 91 + 0 + 469 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770166391046971) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 176765292990 + ... + 176765297346.

It is an arithmetic number, because the mean of its divisors is an integer number (1135712232000).

Almost surely, 2^{770166391046976} 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 770166391046976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1526397239808000).

770166391046976 is an abundant number, since it is smaller than the sum of its proper divisors (2282628088569024).

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

770166391046976 is a wasteful number, since it uses less digits than its factorization.

770166391046976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578 (or 4551 counting only the distinct ones).

The product of its (nonzero) digits is 432081216, while the sum is 72.

The spelling of 770166391046976 in words is "seven hundred seventy trillion, one hundred sixty-six billion, three hundred ninety-one million, forty-six thousand, nine hundred seventy-six".