802161530 has 16 divisors (see below), whose sum is σ = 1449108360. Its totient is φ = 319705152.

The previous prime is 802161527. The next prime is 802161553. The reversal of 802161530 is 35161208.

802161530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 703893961 + 98267569 = 26531^2 + 9913^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 802161530.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142025 + ... + 147564.

Almost surely, 2^802161530 is an apocalyptic number.

802161530 is a deficient number, since it is larger than the sum of its proper divisors (646946830).

802161530 is a wasteful number, since it uses less digits than its factorization.

802161530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289873.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 802161530 is about 28322.4562847222. The cubic root of 802161530 is about 929.1530926404.

The spelling of 802161530 in words is "eight hundred two million, one hundred sixty-one thousand, five hundred thirty".