146664535687 has 2 divisors, whose sum is σ = 146664535688. Its totient is φ = 146664535686.

The previous prime is 146664535679. The next prime is 146664535697. The reversal of 146664535687 is 786535466641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 146664535687 - 2³ = 146664535679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146664535657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73332267843 + 73332267844.

It is an arithmetic number, because the mean of its divisors is an integer number (73332267844).

Almost surely, 2^146664535687 is an apocalyptic number.

146664535687 is a deficient number, since it is larger than the sum of its proper divisors (1).

146664535687 is an equidigital number, since it uses as much as digits as its factorization.

146664535687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87091200, while the sum is 61.

The spelling of 146664535687 in words is "one hundred forty-six billion, six hundred sixty-four million, five hundred thirty-five thousand, six hundred eighty-seven".