1061677312818 has 48 divisors (see below), whose sum is σ = 2220236355456. Its totient is φ = 338422231840.

The previous prime is 1061677312811. The next prime is 1061677312847. The reversal of 1061677312818 is 8182137761601.

It is a super-2 number, since 2×1061677312818² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061677312811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13516996 + ... + 13595312.

It is an arithmetic number, because the mean of its divisors is an integer number (46254924072).

Almost surely, 2^{1061677312818} is an apocalyptic number.

1061677312818 is an abundant number, since it is smaller than the sum of its proper divisors (1158559042638).

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

1061677312818 is a wasteful number, since it uses less digits than its factorization.

1061677312818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82639 (or 82616 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 51.

The spelling of 1061677312818 in words is "one trillion, sixty-one billion, six hundred seventy-seven million, three hundred twelve thousand, eight hundred eighteen".