1802160634 has 16 divisors (see below), whose sum is σ = 2792434176. Its totient is φ = 871390800.

The previous prime is 1802160593. The next prime is 1802160641. The reversal of 1802160634 is 4360612081.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 1802160596 and 1802160605.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84064 + ... + 103300.

It is an arithmetic number, because the mean of its divisors is an integer number (174527136).

Almost surely, 2^1802160634 is an apocalyptic number.

1802160634 is a deficient number, since it is larger than the sum of its proper divisors (990273542).

1802160634 is a wasteful number, since it uses less digits than its factorization.

1802160634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20781.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1802160634 is about 42451.8625504229. The cubic root of 1802160634 is about 1216.9269234785.

The spelling of 1802160634 in words is "one billion, eight hundred two million, one hundred sixty thousand, six hundred thirty-four".