7645433163620 has 48 divisors (see below), whose sum is σ = 18349551937920. Its totient is φ = 2621218178304.

The previous prime is 7645433163583. The next prime is 7645433163649. The reversal of 7645433163620 is 263613345467.

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, 4393511 + ... + 5881649.

It is an arithmetic number, because the mean of its divisors is an integer number (382282332040).

Almost surely, 2^{7645433163620} is an apocalyptic number.

7645433163620 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7645433163620 is an abundant number, since it is smaller than the sum of its proper divisors (10704118774300).

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

7645433163620 is a wasteful number, since it uses less digits than its factorization.

7645433163620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524852 (or 1524850 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 50.

The spelling of 7645433163620 in words is "seven trillion, six hundred forty-five billion, four hundred thirty-three million, one hundred sixty-three thousand, six hundred twenty".