90474783168 has 112 divisors (see below), whose sum is σ = 298449333504. Its totient is φ = 23499939840.

The previous prime is 90474783151. The next prime is 90474783169. The reversal of 90474783168 is 86138747409.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×90474783168² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90474783169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3045105 + ... + 3074672.

It is an arithmetic number, because the mean of its divisors is an integer number (2664726192).

Almost surely, 2^90474783168 is an apocalyptic number.

It is an amenable number.

90474783168 is an abundant number, since it is smaller than the sum of its proper divisors (207974550336).

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

90474783168 is a wasteful number, since it uses less digits than its factorization.

90474783168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119810 (or 6119800 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 57.

The spelling of 90474783168 in words is "ninety billion, four hundred seventy-four million, seven hundred eighty-three thousand, one hundred sixty-eight".