66922387874 has 8 divisors (see below), whose sum is σ = 104748085440. Its totient is φ = 32006359396.

The previous prime is 66922387817. The next prime is 66922387949. The reversal of 66922387874 is 47878322966.

66922387874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 727417214 + ... + 727417305.

It is an arithmetic number, because the mean of its divisors is an integer number (13093510680).

Almost surely, 2^66922387874 is an apocalyptic number.

66922387874 is a deficient number, since it is larger than the sum of its proper divisors (37825697566).

66922387874 is a wasteful number, since it uses less digits than its factorization.

66922387874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454834544.

The product of its digits is 48771072, while the sum is 62.

The spelling of 66922387874 in words is "sixty-six billion, nine hundred twenty-two million, three hundred eighty-seven thousand, eight hundred seventy-four".