91606150 has 12 divisors (see below), whose sum is σ = 170387532. Its totient is φ = 36642440.

The previous prime is 91606139. The next prime is 91606169. The reversal of 91606150 is 5160619.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 916012 + ... + 916111.

It is an arithmetic number, because the mean of its divisors is an integer number (14198961).

Almost surely, 2^91606150 is an apocalyptic number.

91606150 is a deficient number, since it is larger than the sum of its proper divisors (78781382).

91606150 is a wasteful number, since it uses less digits than its factorization.

91606150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832135 (or 1832130 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 91606150 is about 9571.1101759409. The cubic root of 91606150 is about 450.7906265577.

Adding to 91606150 its reverse (5160619), we get a palindrome (96766769).

The spelling of 91606150 in words is "ninety-one million, six hundred six thousand, one hundred fifty".