677421452166 has 8 divisors (see below), whose sum is σ = 1354842904344. Its totient is φ = 225807150720.

The previous prime is 677421452161. The next prime is 677421452203. The reversal of 677421452166 is 661254124776.

It is a sphenic number, since it is the product of 3 distinct primes.

677421452166 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677421452161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56451787675 + ... + 56451787686.

It is an arithmetic number, because the mean of its divisors is an integer number (169355363043).

Almost surely, 2^677421452166 is an apocalyptic number.

677421452166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

677421452166 is a wasteful number, since it uses less digits than its factorization.

677421452166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112903575366.

The product of its digits is 3386880, while the sum is 51.

The spelling of 677421452166 in words is "six hundred seventy-seven billion, four hundred twenty-one million, four hundred fifty-two thousand, one hundred sixty-six".