1018995877660 has 48 divisors (see below), whose sum is σ = 2266344916416. Its totient is φ = 383524180992.

The previous prime is 1018995877651. The next prime is 1018995877663. The reversal of 1018995877660 is 667785998101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018995877663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960574 + ... + 1720666.

It is an arithmetic number, because the mean of its divisors is an integer number (47215519092).

Almost surely, 2^{1018995877660} is an apocalyptic number.

1018995877660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1018995877660 is an abundant number, since it is smaller than the sum of its proper divisors (1247349038756).

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

1018995877660 is a wasteful number, since it uses less digits than its factorization.

1018995877660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764062 (or 764060 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 67.

The spelling of 1018995877660 in words is "one trillion, eighteen billion, nine hundred ninety-five million, eight hundred seventy-seven thousand, six hundred sixty".