121762042166 has 8 divisors (see below), whose sum is σ = 186089158944. Its totient is φ = 59732322520.

The previous prime is 121762042151. The next prime is 121762042183. The reversal of 121762042166 is 661240267121.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 574349150 + ... + 574349361.

It is an arithmetic number, because the mean of its divisors is an integer number (23261144868).

Almost surely, 2^121762042166 is an apocalyptic number.

121762042166 is a deficient number, since it is larger than the sum of its proper divisors (64327116778).

121762042166 is a wasteful number, since it uses less digits than its factorization.

121762042166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148698566.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 121762042166 in words is "one hundred twenty-one billion, seven hundred sixty-two million, forty-two thousand, one hundred sixty-six".