121662655066 has 8 divisors (see below), whose sum is σ = 182518497504. Its totient is φ = 60823155900.

The previous prime is 121662655057. The next prime is 121662655067. The reversal of 121662655066 is 660556266121.

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

It is not an unprimeable number, because it can be changed into a prime (121662655067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4067190 + ... + 4096993.

It is an arithmetic number, because the mean of its divisors is an integer number (22814812188).

Almost surely, 2^121662655066 is an apocalyptic number.

121662655066 is a deficient number, since it is larger than the sum of its proper divisors (60855842438).

121662655066 is an equidigital number, since it uses as much as digits as its factorization.

121662655066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171636.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 121662655066 in words is "one hundred twenty-one billion, six hundred sixty-two million, six hundred fifty-five thousand, sixty-six".