99261167 has 4 divisors (see below), whose sum is σ = 100284576. Its totient is φ = 98237760.

The previous prime is 99261161. The next prime is 99261193. The reversal of 99261167 is 76116299.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 99261167 - 2²⁶ = 32152303 is a prime.

It is a super-3 number, since 3×99261167³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99261161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511559 + ... + 511752.

It is an arithmetic number, because the mean of its divisors is an integer number (25071144).

Almost surely, 2^99261167 is an apocalyptic number.

99261167 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

99261167 is a deficient number, since it is larger than the sum of its proper divisors (1023409).

99261167 is a wasteful number, since it uses less digits than its factorization.

99261167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023408.

The product of its digits is 40824, while the sum is 41.

The square root of 99261167 is about 9962.9898624861. The cubic root of 99261167 is about 463.0129368325.

The spelling of 99261167 in words is "ninety-nine million, two hundred sixty-one thousand, one hundred sixty-seven".