122664146641 has 8 divisors (see below), whose sum is σ = 128084419584. Its totient is φ = 117251127840.

The previous prime is 122664146557. The next prime is 122664146713. The reversal of 122664146641 is 146641466221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122664146641 - 2⁷ = 122664146513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122664146041) 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, 1778956 + ... + 1846621.

It is an arithmetic number, because the mean of its divisors is an integer number (16010552448).

Almost surely, 2^122664146641 is an apocalyptic number.

It is an amenable number.

122664146641 is a deficient number, since it is larger than the sum of its proper divisors (5420272943).

122664146641 is a wasteful number, since it uses less digits than its factorization.

122664146641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627071.

The product of its digits is 331776, while the sum is 43.

The spelling of 122664146641 in words is "one hundred twenty-two billion, six hundred sixty-four million, one hundred forty-six thousand, six hundred forty-one".