1058618311686 has 64 divisors (see below), whose sum is σ = 2569127984640. Its totient is φ = 321140967840.

The previous prime is 1058618311679. The next prime is 1058618311687. The reversal of 1058618311686 is 6861138168501.

It is a happy number.

1058618311686 is a `hidden beast` number, since 1 + 0 + 5 + 8 + 618 + 3 + 1 + 16 + 8 + 6 = 666.

It is a super-2 number, since 2×1058618311686² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058618311687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10569900 + ... + 10669583.

It is an arithmetic number, because the mean of its divisors is an integer number (40142624760).

Almost surely, 2^{1058618311686} is an apocalyptic number.

1058618311686 is an abundant number, since it is smaller than the sum of its proper divisors (1510509672954).

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

1058618311686 is a wasteful number, since it uses less digits than its factorization.

1058618311686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21239578 (or 21239572 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 54.

The spelling of 1058618311686 in words is "one trillion, fifty-eight billion, six hundred eighteen million, three hundred eleven thousand, six hundred eighty-six".