142421614222166 has 32 divisors (see below), whose sum is σ = 216655778868480. Its totient is φ = 70203901533696.

The previous prime is 142421614222141. The next prime is 142421614222169. The reversal of 142421614222166 is 661222416124241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142421614222169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3422835170 + ... + 3422876778.

It is an arithmetic number, because the mean of its divisors is an integer number (6770493089640).

Almost surely, 2^{142421614222166} is an apocalyptic number.

142421614222166 is a deficient number, since it is larger than the sum of its proper divisors (74234164646314).

142421614222166 is a wasteful number, since it uses less digits than its factorization.

142421614222166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51608.

The product of its digits is 442368, while the sum is 44.

The spelling of 142421614222166 in words is "one hundred forty-two trillion, four hundred twenty-one billion, six hundred fourteen million, two hundred twenty-two thousand, one hundred sixty-six".