90016069 has 8 divisors (see below), whose sum is σ = 105753312. Its totient is φ = 75537840.

The previous prime is 90016067. The next prime is 90016099. The reversal of 90016069 is 96061009.

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

It is a cyclic number.

It is not a de Polignac number, because 90016069 - 2¹ = 90016067 is a prime.

It is a super-2 number, since 2×90016069² = 16205785356425522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 90016069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90016061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314599 + ... + 314884.

It is an arithmetic number, because the mean of its divisors is an integer number (13219164).

Almost surely, 2^90016069 is an apocalyptic number.

It is an amenable number.

90016069 is a deficient number, since it is larger than the sum of its proper divisors (15737243).

90016069 is a wasteful number, since it uses less digits than its factorization.

90016069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629507.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 90016069 is about 9487.6798533677. The cubic root of 90016069 is about 448.1671440659.

The spelling of 90016069 in words is "ninety million, sixteen thousand, sixty-nine".