1648286155 has 16 divisors (see below), whose sum is σ = 2000275200. Its totient is φ = 1303825248.

The previous prime is 1648286131. The next prime is 1648286161. The reversal of 1648286155 is 5516828461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1648286155 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157104 + ... + 167266.

It is an arithmetic number, because the mean of its divisors is an integer number (125017200).

Almost surely, 2^1648286155 is an apocalyptic number.

1648286155 is a deficient number, since it is larger than the sum of its proper divisors (351989045).

1648286155 is a wasteful number, since it uses less digits than its factorization.

1648286155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530.

The product of its digits is 460800, while the sum is 46.

The square root of 1648286155 is about 40599.0905686322. The cubic root of 1648286155 is about 1181.2564790477.

The spelling of 1648286155 in words is "one billion, six hundred forty-eight million, two hundred eighty-six thousand, one hundred fifty-five".