146688999999 has 16 divisors (see below), whose sum is σ = 200201760000. Its totient is φ = 95485997376.

The previous prime is 146688999997. The next prime is 146689000027. The reversal of 146688999999 is 999999886641.

It is a Cunningham number, because it is equal to 383000²-1.

It is not a de Polignac number, because 146688999999 - 2¹ = 146688999997 is a prime.

146688999999 is a modest number, since divided by 999999 gives 146688 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146688999997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191502 + ... + 574500.

It is an arithmetic number, because the mean of its divisors is an integer number (12512610000).

Almost surely, 2^146688999999 is an apocalyptic number.

146688999999 is a deficient number, since it is larger than the sum of its proper divisors (53512760001).

146688999999 is a wasteful number, since it uses less digits than its factorization.

146688999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386014.

The product of its digits is 4897760256, while the sum is 87.

The spelling of 146688999999 in words is "one hundred forty-six billion, six hundred eighty-eight million, nine hundred ninety-nine thousand, nine hundred ninety-nine".