99180946 has 8 divisors (see below), whose sum is σ = 149045040. Its totient is φ = 49499268.

The previous prime is 99180943. The next prime is 99181001. The reversal of 99180946 is 64908199.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 99180896 and 99180905.

It is not an unprimeable number, because it can be changed into a prime (99180943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44236 + ... + 46423.

It is an arithmetic number, because the mean of its divisors is an integer number (18630630).

Almost surely, 2^99180946 is an apocalyptic number.

99180946 is a deficient number, since it is larger than the sum of its proper divisors (49864094).

99180946 is a wasteful number, since it uses less digits than its factorization.

99180946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91208.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 99180946 is about 9958.9630986363. The cubic root of 99180946 is about 462.8881704456. Note that the first 3 decimals are identical.

The spelling of 99180946 in words is "ninety-nine million, one hundred eighty thousand, nine hundred forty-six".