142620166643 has 2 divisors, whose sum is σ = 142620166644. Its totient is φ = 142620166642.

The previous prime is 142620166631. The next prime is 142620166651. The reversal of 142620166643 is 346661026241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142620166643 - 2⁸ = 142620166387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142620166643.

It is not a weakly prime, because it can be changed into another prime (142620166603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71310083321 + 71310083322.

It is an arithmetic number, because the mean of its divisors is an integer number (71310083322).

Almost surely, 2^142620166643 is an apocalyptic number.

142620166643 is a deficient number, since it is larger than the sum of its proper divisors (1).

142620166643 is an equidigital number, since it uses as much as digits as its factorization.

142620166643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 142620166643 in words is "one hundred forty-two billion, six hundred twenty million, one hundred sixty-six thousand, six hundred forty-three".