122153652066 has 16 divisors (see below), whose sum is σ = 244834971264. Its totient is φ = 40629939504.

The previous prime is 122153652053. The next prime is 122153652157. The reversal of 122153652066 is 660256351221.

It is a super-2 number, since 2×122153652066² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21983121 + ... + 21988676.

It is an arithmetic number, because the mean of its divisors is an integer number (15302185704).

Almost surely, 2^122153652066 is an apocalyptic number.

122153652066 is an abundant number, since it is smaller than the sum of its proper divisors (122681319198).

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

122153652066 is a wasteful number, since it uses less digits than its factorization.

122153652066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43972265.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 122153652066 in words is "one hundred twenty-two billion, one hundred fifty-three million, six hundred fifty-two thousand, sixty-six".