1601851340 has 12 divisors (see below), whose sum is σ = 3363887856. Its totient is φ = 640740528.

The previous prime is 1601851309. The next prime is 1601851369. The reversal of 1601851340 is 431581061.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40046264 + ... + 40046303.

It is an arithmetic number, because the mean of its divisors is an integer number (280323988).

Almost surely, 2^1601851340 is an apocalyptic number.

1601851340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1601851340 is an abundant number, since it is smaller than the sum of its proper divisors (1762036516).

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

1601851340 is a wasteful number, since it uses less digits than its factorization.

1601851340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80092576 (or 80092574 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1601851340 is about 40023.1350596127. The cubic root of 1601851340 is about 1170.0580339880.

The spelling of 1601851340 in words is "one billion, six hundred one million, eight hundred fifty-one thousand, three hundred forty".