1600616261 has 12 divisors (see below), whose sum is σ = 1663839072. Its totient is φ = 1539468000.

The previous prime is 1600616233. The next prime is 1600616291. The reversal of 1600616261 is 1626160061.

It is not a de Polignac number, because 1600616261 - 2¹⁸ = 1600354117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1600616231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112646 + ... + 126056.

It is an arithmetic number, because the mean of its divisors is an integer number (138653256).

Almost surely, 2^1600616261 is an apocalyptic number.

It is an amenable number.

1600616261 is a deficient number, since it is larger than the sum of its proper divisors (63222811).

1600616261 is an equidigital number, since it uses as much as digits as its factorization.

1600616261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13564 (or 13523 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1600616261 is about 40007.7025208896. The cubic root of 1600616261 is about 1169.7572391848.

The spelling of 1600616261 in words is "one billion, six hundred million, six hundred sixteen thousand, two hundred sixty-one".