1790540165650 has 24 divisors (see below), whose sum is σ = 3420415649700. Its totient is φ = 696858874560.

The previous prime is 1790540165647. The next prime is 1790540165663. The reversal of 1790540165650 is 565610450971.

It can be written as a sum of positive squares in 6 ways, for example, as 1431035595081 + 359504570569 = 1196259^2 + 599587^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1790540165594 and 1790540165603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483927925 + ... + 483931624.

Almost surely, 2^{1790540165650} is an apocalyptic number.

1790540165650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1790540165650 is a deficient number, since it is larger than the sum of its proper divisors (1629875484050).

1790540165650 is a wasteful number, since it uses less digits than its factorization.

1790540165650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967859598 (or 967859593 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 49.

The spelling of 1790540165650 in words is "one trillion, seven hundred ninety billion, five hundred forty million, one hundred sixty-five thousand, six hundred fifty".