122664546340 has 24 divisors (see below), whose sum is σ = 294394911552. Its totient is φ = 42056415840.

The previous prime is 122664546239. The next prime is 122664546341. The reversal of 122664546340 is 43645466221.

It is not an unprimeable number, because it can be changed into a prime (122664546341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438087526 + ... + 438087805.

It is an arithmetic number, because the mean of its divisors is an integer number (12266454648).

Almost surely, 2^122664546340 is an apocalyptic number.

122664546340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122664546340 is an abundant number, since it is smaller than the sum of its proper divisors (171730365212).

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

122664546340 is a wasteful number, since it uses less digits than its factorization.

122664546340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876175347 (or 876175345 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 122664546340 in words is "one hundred twenty-two billion, six hundred sixty-four million, five hundred forty-six thousand, three hundred forty".