1610047774640 has 160 divisors (see below), whose sum is σ = 4051328406720. Its totient is φ = 592980590592.

The previous prime is 1610047774639. The next prime is 1610047774681. The reversal of 1610047774640 is 464777400161.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52681604 + ... + 52712156.

It is an arithmetic number, because the mean of its divisors is an integer number (25320802542).

Almost surely, 2^{1610047774640} is an apocalyptic number.

1610047774640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1610047774640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025664203360).

1610047774640 is an abundant number, since it is smaller than the sum of its proper divisors (2441280632080).

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

1610047774640 is a wasteful number, since it uses less digits than its factorization.

1610047774640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31559 (or 31553 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 47.

The spelling of 1610047774640 in words is "one trillion, six hundred ten billion, forty-seven million, seven hundred seventy-four thousand, six hundred forty".