99723180946 has 16 divisors (see below), whose sum is σ = 153540324000. Its totient is φ = 48547948320.

The previous prime is 99723180941. The next prime is 99723180961. The reversal of 99723180946 is 64908132799.

It is not an unprimeable number, because it can be changed into a prime (99723180941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177656 + ... + 1259491.

It is an arithmetic number, because the mean of its divisors is an integer number (9596270250).

Almost surely, 2^99723180946 is an apocalyptic number.

99723180946 is a deficient number, since it is larger than the sum of its proper divisors (53817143054).

99723180946 is a wasteful number, since it uses less digits than its factorization.

99723180946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437689.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 99723180946 in words is "ninety-nine billion, seven hundred twenty-three million, one hundred eighty thousand, nine hundred forty-six".