61518698058 has 16 divisors (see below), whose sum is σ = 123039940896. Its totient is φ = 20505808560.

The previous prime is 61518698053. The next prime is 61518698081. The reversal of 61518698058 is 85089681516.

It is a happy number.

61518698058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×61518698058³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61518697989 and 61518698007.

It is not an unprimeable number, because it can be changed into a prime (61518698053) 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, 378693 + ... + 516183.

It is an arithmetic number, because the mean of its divisors is an integer number (7689996306).

Almost surely, 2^61518698058 is an apocalyptic number.

61518698058 is an abundant number, since it is smaller than the sum of its proper divisors (61521242838).

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

61518698058 is a wasteful number, since it uses less digits than its factorization.

61518698058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212069.

The product of its (nonzero) digits is 4147200, while the sum is 57.

The spelling of 61518698058 in words is "sixty-one billion, five hundred eighteen million, six hundred ninety-eight thousand, fifty-eight".