90616613 has 8 divisors (see below), whose sum is σ = 96059520. Its totient is φ = 85186240.

The previous prime is 90616607. The next prime is 90616639. The reversal of 90616613 is 31661609.

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 90616613 - 2⁴ = 90616597 is a prime.

It is a super-2 number, since 2×90616613² = 16422741103183538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 90616613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90616013) 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, 14708 + ... + 19938.

It is an arithmetic number, because the mean of its divisors is an integer number (12007440).

Almost surely, 2^90616613 is an apocalyptic number.

It is an amenable number.

90616613 is a deficient number, since it is larger than the sum of its proper divisors (5442907).

90616613 is a wasteful number, since it uses less digits than its factorization.

90616613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 90616613 is about 9519.2758653166. The cubic root of 90616613 is about 449.1615878637.

The spelling of 90616613 in words is "ninety million, six hundred sixteen thousand, six hundred thirteen".