7619818216 has 32 divisors (see below), whose sum is σ = 15126098400. Its totient is φ = 3588511680.

The previous prime is 7619818211. The next prime is 7619818231. The reversal of 7619818216 is 6128189167.

It is a self number, because there is not a number n which added to its sum of digits gives 7619818216.

It is not an unprimeable number, because it can be changed into a prime (7619818211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118590 + ... + 171181.

It is an arithmetic number, because the mean of its divisors is an integer number (472690575).

Almost surely, 2^7619818216 is an apocalyptic number.

7619818216 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

7619818216 is a deficient number, since it is larger than the sum of its proper divisors (7506280184).

7619818216 is a wasteful number, since it uses less digits than its factorization.

7619818216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289969 (or 289965 counting only the distinct ones).

The product of its digits is 290304, while the sum is 49.

The square root of 7619818216 is about 87291.5701313706. The cubic root of 7619818216 is about 1967.8026308831.

The spelling of 7619818216 in words is "seven billion, six hundred nineteen million, eight hundred eighteen thousand, two hundred sixteen".