122664423546 has 64 divisors (see below), whose sum is σ = 311602959360. Its totient is φ = 35038623600.

The previous prime is 122664423521. The next prime is 122664423551. The reversal of 122664423546 is 645324466221.

It is a happy number.

122664423546 is a `hidden beast` number, since 1 + 2 + 2 + 6 + 64 + 42 + 3 + 546 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1646025 + ... + 1718931.

It is an arithmetic number, because the mean of its divisors is an integer number (4868796240).

Almost surely, 2^122664423546 is an apocalyptic number.

122664423546 is an abundant number, since it is smaller than the sum of its proper divisors (188938535814).

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

122664423546 is a wasteful number, since it uses less digits than its factorization.

122664423546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77376 (or 77370 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

Adding to 122664423546 its reverse (645324466221), we get a palindrome (767988889767).

The spelling of 122664423546 in words is "one hundred twenty-two billion, six hundred sixty-four million, four hundred twenty-three thousand, five hundred forty-six".