1604016654340 has 12 divisors (see below), whose sum is σ = 3368434974156. Its totient is φ = 641606661728.

The previous prime is 1604016654311. The next prime is 1604016654347. The reversal of 1604016654340 is 434566104061.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 631710219204 + 972306435136 = 794802^2 + 986056^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1604016654293 and 1604016654302.

It is not an unprimeable number, because it can be changed into a prime (1604016654347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40100416339 + ... + 40100416378.

It is an arithmetic number, because the mean of its divisors is an integer number (280702914513).

Almost surely, 2^{1604016654340} is an apocalyptic number.

1604016654340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604016654340 is an abundant number, since it is smaller than the sum of its proper divisors (1764418319816).

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

1604016654340 is a wasteful number, since it uses less digits than its factorization.

1604016654340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80200832726 (or 80200832724 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 1604016654340 in words is "one trillion, six hundred four billion, sixteen million, six hundred fifty-four thousand, three hundred forty".