389165420160 has 640 divisors, whose sum is σ = 1521146563200. Its totient is φ = 94030848000.

The previous prime is 389165420153. The next prime is 389165420167. The reversal of 389165420160 is 61024561983.

389165420160 is a `hidden beast` number, since 3 + 8 + 9 + 1 + 65 + 420 + 160 = 666.

It is an interprime number because it is at equal distance from previous prime (389165420153) and next prime (389165420167).

It is a tau number, because it is divible by the number of its divisors (640).

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

It is not an unprimeable number, because it can be changed into a prime (389165420167) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 204715210 + ... + 204717110.

It is an arithmetic number, because the mean of its divisors is an integer number (2376791505).

Almost surely, 2^389165420160 is an apocalyptic number.

389165420160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389165420160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760573281600).

389165420160 is an abundant number, since it is smaller than the sum of its proper divisors (1131981143040).

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

389165420160 is a wasteful number, since it uses less digits than its factorization.

389165420160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302 (or 2281 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 389165420160 in words is "three hundred eighty-nine billion, one hundred sixty-five million, four hundred twenty thousand, one hundred sixty".