1000899181674 has 64 divisors (see below), whose sum is σ = 2542509146880. Its totient is φ = 285910110720.

The previous prime is 1000899181661. The next prime is 1000899181679. The reversal of 1000899181674 is 4761819980001.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1000899181674.

It is not an unprimeable number, because it can be changed into a prime (1000899181679) 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, 1504102 + ... + 2064974.

It is an arithmetic number, because the mean of its divisors is an integer number (39726705420).

Almost surely, 2^{1000899181674} is an apocalyptic number.

1000899181674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1000899181674 is an abundant number, since it is smaller than the sum of its proper divisors (1541609965206).

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

1000899181674 is a wasteful number, since it uses less digits than its factorization.

1000899181674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565612 (or 565606 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 1000899181674 in words is "one trillion, eight hundred ninety-nine million, one hundred eighty-one thousand, six hundred seventy-four".