1601900736 has 28 divisors (see below), whose sum is σ = 4238362872. Its totient is φ = 533966848.

The previous prime is 1601900723. The next prime is 1601900743. The reversal of 1601900736 is 6370091061.

It is a junction number, because it is equal to n+sod(n) for n = 1601900697 and 1601900706.

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, 4171425 + ... + 4171808.

Almost surely, 2^1601900736 is an apocalyptic number.

1601900736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1601900736 is an abundant number, since it is smaller than the sum of its proper divisors (2636462136).

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

1601900736 is an equidigital number, since it uses as much as digits as its factorization.

1601900736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8343248 (or 8343238 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 1601900736 is about 40023.7521479434. The cubic root of 1601900736 is about 1170.0700608203.

Adding to 1601900736 its reverse (6370091061), we get a palindrome (7971991797).

The spelling of 1601900736 in words is "one billion, six hundred one million, nine hundred thousand, seven hundred thirty-six".