1601626316 has 12 divisors (see below), whose sum is σ = 2803274040. Its totient is φ = 800690880.

The previous prime is 1601626241. The next prime is 1601626319. The reversal of 1601626316 is 6136261061.

It is a super-2 number, since 2×1601626316² = 5130413712207463712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1601626319) 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, 2996 + ... + 56676.

It is an arithmetic number, because the mean of its divisors is an integer number (233606170).

Almost surely, 2^1601626316 is an apocalyptic number.

It is an amenable number.

1601626316 is a deficient number, since it is larger than the sum of its proper divisors (1201647724).

1601626316 is a wasteful number, since it uses less digits than its factorization.

1601626316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61144 (or 61142 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 1601626316 is about 40020.3237867961. The cubic root of 1601626316 is about 1170.0032424972.

Adding to 1601626316 its reverse (6136261061), we get a palindrome (7737887377).

The spelling of 1601626316 in words is "one billion, six hundred one million, six hundred twenty-six thousand, three hundred sixteen".