90307616616 has 192 divisors, whose sum is σ = 286721136000. Its totient is φ = 25667131392.

The previous prime is 90307616611. The next prime is 90307616621. The reversal of 90307616616 is 61661670309.

It is an interprime number because it is at equal distance from previous prime (90307616611) and next prime (90307616621).

It is not an unprimeable number, because it can be changed into a prime (90307616611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4756855 + ... + 4775801.

It is an arithmetic number, because the mean of its divisors is an integer number (1493339250).

Almost surely, 2^90307616616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90307616616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143360568000).

90307616616 is an abundant number, since it is smaller than the sum of its proper divisors (196413519384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90307616616 is a wasteful number, since it uses less digits than its factorization.

90307616616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19173 (or 19152 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The spelling of 90307616616 in words is "ninety billion, three hundred seven million, six hundred sixteen thousand, six hundred sixteen".