146663354770646 has 64 divisors (see below), whose sum is σ = 260582965332480. Its totient is φ = 60605954576640.

The previous prime is 146663354770601. The next prime is 146663354770649. The reversal of 146663354770646 is 646077453366641.

It is a super-3 number, since 3×146663354770646³ (a number of 43 digits) contains 333 as substring.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12368960 + ... + 21126236.

It is an arithmetic number, because the mean of its divisors is an integer number (4071608833320).

Almost surely, 2^{146663354770646} is an apocalyptic number.

146663354770646 is a deficient number, since it is larger than the sum of its proper divisors (113919610561834).

146663354770646 is a wasteful number, since it uses less digits than its factorization.

146663354770646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8757669.

The product of its (nonzero) digits is 1097349120, while the sum is 68.

The spelling of 146663354770646 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-six".