7158914661 has 8 divisors (see below), whose sum is σ = 9853129984. Its totient is φ = 4618654560.

The previous prime is 7158914647. The next prime is 7158914701. The reversal of 7158914661 is 1664198517.

It is a happy number.

7158914661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 7158914661 - 2⁵ = 7158914629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7158914661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7158912661) 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, 38488696 + ... + 38488881.

It is an arithmetic number, because the mean of its divisors is an integer number (1231641248).

Almost surely, 2^7158914661 is an apocalyptic number.

It is an amenable number.

7158914661 is a deficient number, since it is larger than the sum of its proper divisors (2694215323).

7158914661 is a wasteful number, since it uses less digits than its factorization.

7158914661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76977611.

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

The square root of 7158914661 is about 84610.3697013552. The cubic root of 7158914661 is about 1927.2988478956.

The spelling of 7158914661 in words is "seven billion, one hundred fifty-eight million, nine hundred fourteen thousand, six hundred sixty-one".