146663606 has 4 divisors (see below), whose sum is σ = 219995412. Its totient is φ = 73331802.

The previous prime is 146663599. The next prime is 146663611. The reversal of 146663606 is 606366641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 606366641 = 23 ⋅26363767.

It is a self number, because there is not a number n which added to its sum of digits gives 146663606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36665900 + ... + 36665903.

It is an arithmetic number, because the mean of its divisors is an integer number (54998853).

Almost surely, 2^146663606 is an apocalyptic number.

146663606 is a deficient number, since it is larger than the sum of its proper divisors (73331806).

146663606 is an equidigital number, since it uses as much as digits as its factorization.

146663606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73331805.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 146663606 is about 12110.4750526146. The cubic root of 146663606 is about 527.3603244963.

It can be divided in two parts, 146663 and 606, that multiplied together give a triangular number (88877778 = T₁₃₃₃₂).

The spelling of 146663606 in words is "one hundred forty-six million, six hundred sixty-three thousand, six hundred six".