148912635664 has 135 divisors (see below), whose sum is σ = 322003955997. Its totient is φ = 66682137600.

The previous prime is 148912635649. The next prime is 148912635731. The reversal of 148912635664 is 466536219841.

The square root of 148912635664 is 385892.

It is a perfect power (a square), and thus also a powerful number.

148912635664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 13 ways, for example, as 64933232400 + 83979403264 = 254820^2 + 289792^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 822721654 + ... + 822721834.

Almost surely, 2^148912635664 is an apocalyptic number.

148912635664 is the 385892-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148912635664

148912635664 is an abundant number, since it is smaller than the sum of its proper divisors (173091320333).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148912635664 is an equidigital number, since it uses as much as digits as its factorization.

148912635664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 237 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The spelling of 148912635664 in words is "one hundred forty-eight billion, nine hundred twelve million, six hundred thirty-five thousand, six hundred sixty-four".