6385745156 has 72 divisors (see below), whose sum is σ = 13599559680. Its totient is φ = 2569577472.

The previous prime is 6385745137. The next prime is 6385745189. The reversal of 6385745156 is 6515475836.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4992125 + ... + 4993403.

Almost surely, 2^6385745156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6385745156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6799779840).

6385745156 is an abundant number, since it is smaller than the sum of its proper divisors (7213814524).

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

6385745156 is a wasteful number, since it uses less digits than its factorization.

6385745156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1941 (or 1922 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 50.

The square root of 6385745156 is about 79910.8575601589. The cubic root of 6385745156 is about 1855.2560686694.

The spelling of 6385745156 in words is "six billion, three hundred eighty-five million, seven hundred forty-five thousand, one hundred fifty-six".