90649167 has 24 divisors (see below), whose sum is σ = 141987456. Its totient is φ = 51288048.

The previous prime is 90649159. The next prime is 90649183. The reversal of 90649167 is 76194609.

It is not a de Polignac number, because 90649167 - 2³ = 90649159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90649127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12148 + ... + 18134.

It is an arithmetic number, because the mean of its divisors is an integer number (5916144).

Almost surely, 2^90649167 is an apocalyptic number.

90649167 is a deficient number, since it is larger than the sum of its proper divisors (51338289).

90649167 is a wasteful number, since it uses less digits than its factorization.

90649167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6107 (or 6100 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 90649167 is about 9520.9856107443. The cubic root of 90649167 is about 449.2153684941.

The spelling of 90649167 in words is "ninety million, six hundred forty-nine thousand, one hundred sixty-seven".