91668350 has 24 divisors (see below), whose sum is σ = 179478840. Its totient is φ = 34737120.

The previous prime is 91668341. The next prime is 91668373. The reversal of 91668350 is 5386619.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47297 + ... + 49196.

It is an arithmetic number, because the mean of its divisors is an integer number (7478285).

Almost surely, 2^91668350 is an apocalyptic number.

91668350 is a deficient number, since it is larger than the sum of its proper divisors (87810490).

91668350 is a wasteful number, since it uses less digits than its factorization.

91668350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96524 (or 96519 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 91668350 is about 9574.3589863761. The cubic root of 91668350 is about 450.8926314749.

The spelling of 91668350 in words is "ninety-one million, six hundred sixty-eight thousand, three hundred fifty".