162208802261 has 16 divisors (see below), whose sum is σ = 181847540160. Its totient is φ = 143414920320.

The previous prime is 162208802257. The next prime is 162208802269.

162208802261 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 162208802261 - 2² = 162208802257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162208802269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625706 + ... + 846123.

It is an arithmetic number, because the mean of its divisors is an integer number (11365471260).

Almost surely, 2^162208802261 is an apocalyptic number.

162208802261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

162208802261 is a deficient number, since it is larger than the sum of its proper divisors (19638737899).

162208802261 is a wasteful number, since it uses less digits than its factorization.

162208802261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472116.

The product of its (nonzero) digits is 36864, while the sum is 38.

It can be divided in two parts, 162208 and 802261, that added together give a palindrome (964469).

The spelling of 162208802261 in words is "one hundred sixty-two billion, two hundred eight million, eight hundred two thousand, two hundred sixty-one".