90617169 has 8 divisors (see below), whose sum is σ = 120890560. Its totient is φ = 60377616.

The previous prime is 90617119. The next prime is 90617179. The reversal of 90617169 is 96171609.

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

It is not a de Polignac number, because 90617169 - 2⁹ = 90616657 is a prime.

It is a super-2 number, since 2×90617169² = 16422942635149122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90617119) 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, 1357 + ... + 13530.

It is an arithmetic number, because the mean of its divisors is an integer number (15111320).

Almost surely, 2^90617169 is an apocalyptic number.

It is an amenable number.

90617169 is a deficient number, since it is larger than the sum of its proper divisors (30273391).

90617169 is a wasteful number, since it uses less digits than its factorization.

90617169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16919.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 90617169 is about 9519.3050691739. The cubic root of 90617169 is about 449.1625065081.

The spelling of 90617169 in words is "ninety million, six hundred seventeen thousand, one hundred sixty-nine".