4791156618 has 32 divisors (see below), whose sum is σ = 9614960640. Its totient is φ = 1591622640.

The previous prime is 4791156607. The next prime is 4791156619. The reversal of 4791156618 is 8166511974.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4791156619) 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, 3710553 + ... + 3711843.

It is an arithmetic number, because the mean of its divisors is an integer number (300467520).

Almost surely, 2^4791156618 is an apocalyptic number.

4791156618 is an abundant number, since it is smaller than the sum of its proper divisors (4823804022).

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

4791156618 is a wasteful number, since it uses less digits than its factorization.

4791156618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2922.

The product of its digits is 362880, while the sum is 48.

The square root of 4791156618 is about 69218.1812676409. The cubic root of 4791156618 is about 1685.8287496911.

The spelling of 4791156618 in words is "four billion, seven hundred ninety-one million, one hundred fifty-six thousand, six hundred eighteen".