7643476615164 has 48 divisors (see below), whose sum is σ = 19211462998560. Its totient is φ = 2351253876480.

The previous prime is 7643476615163. The next prime is 7643476615193. The reversal of 7643476615164 is 4615166743467.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 7643476615098 and 7643476615107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7643476615163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5465319 + ... + 6719870.

It is an arithmetic number, because the mean of its divisors is an integer number (400238812470).

Almost surely, 2^{7643476615164} is an apocalyptic number.

It is an amenable number.

7643476615164 is an abundant number, since it is smaller than the sum of its proper divisors (11567986383396).

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

7643476615164 is a wasteful number, since it uses less digits than its factorization.

7643476615164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189230 (or 12189228 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 60.

The spelling of 7643476615164 in words is "seven trillion, six hundred forty-three billion, four hundred seventy-six million, six hundred fifteen thousand, one hundred sixty-four".