385173730156 has 48 divisors (see below), whose sum is σ = 712683417600. Its totient is φ = 181849082688.

The previous prime is 385173730129. The next prime is 385173730171. The reversal of 385173730156 is 651037371583.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7208185 + ... + 7261423.

It is an arithmetic number, because the mean of its divisors is an integer number (14847571200).

Almost surely, 2^385173730156 is an apocalyptic number.

It is an amenable number.

385173730156 is a deficient number, since it is larger than the sum of its proper divisors (327509687444).

385173730156 is a wasteful number, since it uses less digits than its factorization.

385173730156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54646 (or 54644 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

It can be divided in two parts, 38517 and 3730156, that added together give a palindrome (3768673).

The spelling of 385173730156 in words is "three hundred eighty-five billion, one hundred seventy-three million, seven hundred thirty thousand, one hundred fifty-six".