7468668646 has 8 divisors (see below), whose sum is σ = 11203459344. Its totient is φ = 3734182200.

The previous prime is 7468668643. The next prime is 7468668661. The reversal of 7468668646 is 6468668647.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7468668646² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7468668643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871 + ... + 122221.

It is an arithmetic number, because the mean of its divisors is an integer number (1400432418).

Almost surely, 2^7468668646 is an apocalyptic number.

7468668646 is a deficient number, since it is larger than the sum of its proper divisors (3734790698).

7468668646 is a wasteful number, since it uses less digits than its factorization.

7468668646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152126.

The product of its digits is 55738368, while the sum is 61.

The square root of 7468668646 is about 86421.4594067932. The cubic root of 7468668646 is about 1954.7042805085.

Subtracting from 7468668646 its reverse (6468668647), we obtain a palindrome (999999999).

The spelling of 7468668646 in words is "seven billion, four hundred sixty-eight million, six hundred sixty-eight thousand, six hundred forty-six".