1601168316 has 36 divisors (see below), whose sum is σ = 4106581416. Its totient is φ = 485202080.

The previous prime is 1601168297. The next prime is 1601168347. The reversal of 1601168316 is 6138611061.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 549915 + ... + 552818.

It is an arithmetic number, because the mean of its divisors is an integer number (114071706).

Almost surely, 2^1601168316 is an apocalyptic number.

It is an amenable number.

1601168316 is an abundant number, since it is smaller than the sum of its proper divisors (2505413100).

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

1601168316 is a wasteful number, since it uses less digits than its factorization.

1601168316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102762 (or 1102749 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 1601168316 is about 40014.6012850309. The cubic root of 1601168316 is about 1169.8917074143.

Adding to 1601168316 its reverse (6138611061), we get a palindrome (7739779377).

The spelling of 1601168316 in words is "one billion, six hundred one million, one hundred sixty-eight thousand, three hundred sixteen".