1601776016 has 10 divisors (see below), whose sum is σ = 3103441062. Its totient is φ = 800888000.

The previous prime is 1601776009. The next prime is 1601776021. The reversal of 1601776016 is 6106771061.

It can be written as a sum of positive squares in only one way, i.e., 1211318416 + 390457600 = 34804^2 + 19760^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055485 + ... + 50055516.

Almost surely, 2^1601776016 is an apocalyptic number.

1601776016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1601776016 is a deficient number, since it is larger than the sum of its proper divisors (1501665046).

1601776016 is a wasteful number, since it uses less digits than its factorization.

1601776016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100111009 (or 100111003 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1601776016 is about 40022.1940428058. The cubic root of 1601776016 is about 1170.0396937857.

The spelling of 1601776016 in words is "one billion, six hundred one million, seven hundred seventy-six thousand, sixteen".