140166466087 has 2 divisors, whose sum is σ = 140166466088. Its totient is φ = 140166466086.

The previous prime is 140166466043. The next prime is 140166466129. The reversal of 140166466087 is 780664661041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140166466087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140166466087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140166466007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70083233043 + 70083233044.

It is an arithmetic number, because the mean of its divisors is an integer number (70083233044).

Almost surely, 2^140166466087 is an apocalyptic number.

140166466087 is a deficient number, since it is larger than the sum of its proper divisors (1).

140166466087 is an equidigital number, since it uses as much as digits as its factorization.

140166466087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 140166466087 in words is "one hundred forty billion, one hundred sixty-six million, four hundred sixty-six thousand, eighty-seven".