1335616161 has 16 divisors (see below), whose sum is σ = 1952486400. Its totient is φ = 805392720.

The previous prime is 1335616157. The next prime is 1335616241. The reversal of 1335616161 is 1616165331.

It is not a de Polignac number, because 1335616161 - 2² = 1335616157 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1335616361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95125 + ... + 108258.

It is an arithmetic number, because the mean of its divisors is an integer number (122030400).

Almost surely, 2^1335616161 is an apocalyptic number.

1335616161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1335616161 is a deficient number, since it is larger than the sum of its proper divisors (616870239).

1335616161 is a wasteful number, since it uses less digits than its factorization.

1335616161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203596.

The product of its digits is 9720, while the sum is 33.

The square root of 1335616161 is about 36546.0827038959. The cubic root of 1335616161 is about 1101.2702023923.

The spelling of 1335616161 in words is "one billion, three hundred thirty-five million, six hundred sixteen thousand, one hundred sixty-one".