146718866458 has 24 divisors (see below), whose sum is σ = 226525228020. Its totient is φ = 71229211200.

The previous prime is 146718866449. The next prime is 146718866507. The reversal of 146718866458 is 854668817641.

It can be written as a sum of positive squares in 2 ways, for example, as 97914545569 + 48804320889 = 312913^2 + 220917^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 146718866458.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3630628 + ... + 3670816.

Almost surely, 2^146718866458 is an apocalyptic number.

146718866458 is a deficient number, since it is larger than the sum of its proper divisors (79806361562).

146718866458 is an equidigital number, since it uses as much as digits as its factorization.

146718866458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40654 (or 40443 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 64.

It can be divided in two parts, 146718 and 866458, that added together give a triangular number (1013176 = T₁₄₂₃).

The spelling of 146718866458 in words is "one hundred forty-six billion, seven hundred eighteen million, eight hundred sixty-six thousand, four hundred fifty-eight".