99667260 has 480 divisors, whose sum is σ = 421521408. Its totient is φ = 19077120.

The previous prime is 99667219. The next prime is 99667261. The reversal of 99667260 is 6276699.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99667261) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 2120557 + ... + 2120603.

Almost surely, 2^99667260 is an apocalyptic number.

99667260 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99667260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210760704).

99667260 is an abundant number, since it is smaller than the sum of its proper divisors (321854148).

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

99667260 is a wasteful number, since it uses less digits than its factorization.

99667260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 99667260 is about 9983.3491374388. The cubic root of 99667260 is about 463.6434972164.

The spelling of 99667260 in words is "ninety-nine million, six hundred sixty-seven thousand, two hundred sixty".