1628062161 has 16 divisors (see below), whose sum is σ = 2369461248. Its totient is φ = 986133200.

The previous prime is 1628062159. The next prime is 1628062201. The reversal of 1628062161 is 1612608261.

It is a cyclic number.

It is not a de Polignac number, because 1628062161 - 2¹ = 1628062159 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1628062561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47596 + ... + 74306.

It is an arithmetic number, because the mean of its divisors is an integer number (148091328).

Almost surely, 2^1628062161 is an apocalyptic number.

1628062161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1628062161 is a deficient number, since it is larger than the sum of its proper divisors (741399087).

1628062161 is a wasteful number, since it uses less digits than its factorization.

1628062161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28572.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1628062161 is about 40349.2522979051. The cubic root of 1628062161 is about 1176.4053589811.

The spelling of 1628062161 in words is "one billion, six hundred twenty-eight million, sixty-two thousand, one hundred sixty-one".