148216305621777 has 8 divisors (see below), whose sum is σ = 197622073425216. Its totient is φ = 98810704116432.

The previous prime is 148216305621707. The next prime is 148216305621829. The reversal of 148216305621777 is 777126503612841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 148216305621777 - 2³² = 148212010654481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 148216305621777.

It is not an unprimeable number, because it can be changed into a prime (148216305621707) 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 7 ways as a sum of consecutive naturals, for example, 39479818 + ... + 43070739.

It is an arithmetic number, because the mean of its divisors is an integer number (24702759178152).

Almost surely, 2^{148216305621777} is an apocalyptic number.

It is an amenable number.

148216305621777 is a deficient number, since it is larger than the sum of its proper divisors (49405767803439).

148216305621777 is an equidigital number, since it uses as much as digits as its factorization.

148216305621777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83149047.

The product of its (nonzero) digits is 23708160, while the sum is 60.

The spelling of 148216305621777 in words is "one hundred forty-eight trillion, two hundred sixteen billion, three hundred five million, six hundred twenty-one thousand, seven hundred seventy-seven".