146663354770647 has 64 divisors (see below), whose sum is σ = 232658189460480. Its totient is φ = 81010666598400.

The previous prime is 146663354770601. The next prime is 146663354770649. The reversal of 146663354770647 is 746077453366641.

It is a happy number.

146663354770647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 146663354770647 - 2⁴³ = 137867261748439 is a prime.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146663354770649) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13333254 + ... + 21704892.

It is an arithmetic number, because the mean of its divisors is an integer number (3635284210320).

Almost surely, 2^{146663354770647} is an apocalyptic number.

146663354770647 is a deficient number, since it is larger than the sum of its proper divisors (85994834689833).

146663354770647 is a wasteful number, since it uses less digits than its factorization.

146663354770647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8372184.

The product of its (nonzero) digits is 1280240640, while the sum is 69.

The spelling of 146663354770647 in words is "one hundred forty-six trillion, six hundred sixty-three billion, three hundred fifty-four million, seven hundred seventy thousand, six hundred forty-seven".