208161601467 has 8 divisors (see below), whose sum is σ = 280095121680. Its totient is φ = 137501241120.

The previous prime is 208161601457. The next prime is 208161601481. The reversal of 208161601467 is 764106161802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 208161601467 - 2¹⁴ = 208161585083 is a prime.

It is a super-2 number, since 2×208161601467² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (208161601457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318289584 + ... + 318290237.

It is an arithmetic number, because the mean of its divisors is an integer number (35011890210).

Almost surely, 2^208161601467 is an apocalyptic number.

208161601467 is a deficient number, since it is larger than the sum of its proper divisors (71933520213).

208161601467 is a wasteful number, since it uses less digits than its factorization.

208161601467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636579933.

The product of its (nonzero) digits is 96768, while the sum is 42.

It can be divided in two parts, 208161 and 601467, that added together give a triangular number (809628 = T₁₂₇₂).

The spelling of 208161601467 in words is "two hundred eight billion, one hundred sixty-one million, six hundred one thousand, four hundred sixty-seven".