820162698 has 16 divisors (see below), whose sum is σ = 1653242880. Its totient is φ = 271234656.

The previous prime is 820162667. The next prime is 820162741. The reversal of 820162698 is 896261028.

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, 537403 + ... + 538926.

It is an arithmetic number, because the mean of its divisors is an integer number (103327680).

Almost surely, 2^820162698 is an apocalyptic number.

820162698 is an abundant number, since it is smaller than the sum of its proper divisors (833080182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

820162698 is a wasteful number, since it uses less digits than its factorization.

820162698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076461.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 820162698 is about 28638.4828159594. The cubic root of 820162698 is about 936.0520621746.

The spelling of 820162698 in words is "eight hundred twenty million, one hundred sixty-two thousand, six hundred ninety-eight".