173378203380 has 96 divisors (see below), whose sum is σ = 542193993600. Its totient is φ = 45994604544.

The previous prime is 173378203379. The next prime is 173378203441. The reversal of 173378203380 is 83302873371.

173378203380 is a `hidden beast` number, since 1 + 73 + 378 + 203 + 3 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 727570 + ... + 936009.

It is an arithmetic number, because the mean of its divisors is an integer number (5647854100).

Almost surely, 2^173378203380 is an apocalyptic number.

173378203380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

173378203380 is an abundant number, since it is smaller than the sum of its proper divisors (368815790220).

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

173378203380 is a wasteful number, since it uses less digits than its factorization.

173378203380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663790 (or 1663782 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 173378203380 in words is "one hundred seventy-three billion, three hundred seventy-eight million, two hundred three thousand, three hundred eighty".