7612666164 has 144 divisors (see below), whose sum is σ = 20927979072. Its totient is φ = 2323915776.

The previous prime is 7612666157. The next prime is 7612666169. The reversal of 7612666164 is 4616662167.

It is a super-2 number, since 2×7612666164² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7612666169) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11657662 + ... + 11658314.

It is an arithmetic number, because the mean of its divisors is an integer number (145333188).

Almost surely, 2^7612666164 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 7612666164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10463989536).

7612666164 is an abundant number, since it is smaller than the sum of its proper divisors (13315312908).

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

7612666164 is a wasteful number, since it uses less digits than its factorization.

7612666164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166 (or 1161 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 7612666164 is about 87250.5940610149. The cubic root of 7612666164 is about 1967.1867705074.

The spelling of 7612666164 in words is "seven billion, six hundred twelve million, six hundred sixty-six thousand, one hundred sixty-four".