99651060 has 120 divisors (see below), whose sum is σ = 315592200. Its totient is φ = 26320896.

The previous prime is 99651049. The next prime is 99651061. The reversal of 99651060 is 6015699.

It can be written as a sum of positive squares in 4 ways, for example, as 16695396 + 82955664 = 4086^2 + 9108^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99651061) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 221716 + ... + 222164.

It is an arithmetic number, because the mean of its divisors is an integer number (2629935).

Almost surely, 2^99651060 is an apocalyptic number.

99651060 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 99651060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157796100).

99651060 is an abundant number, since it is smaller than the sum of its proper divisors (215941140).

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

99651060 is a wasteful number, since it uses less digits than its factorization.

99651060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 596 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 99651060 is about 9982.5377534974. The cubic root of 99651060 is about 463.6183755210.

It can be divided in two parts, 9965 and 1060, that added together give a square (11025 = 105²).

The spelling of 99651060 in words is "ninety-nine million, six hundred fifty-one thousand, sixty".