99511671 has 8 divisors (see below), whose sum is σ = 151636864. Its totient is φ = 56863800.

The previous prime is 99511669. The next prime is 99511703. The reversal of 99511671 is 17611599.

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

It is not a de Polignac number, because 99511671 - 2¹ = 99511669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99511631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369305 + ... + 2369346.

It is an arithmetic number, because the mean of its divisors is an integer number (18954608).

Almost surely, 2^99511671 is an apocalyptic number.

99511671 is a deficient number, since it is larger than the sum of its proper divisors (52125193).

99511671 is a wasteful number, since it uses less digits than its factorization.

99511671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738661.

The product of its digits is 17010, while the sum is 39.

The square root of 99511671 is about 9975.5536688447. The cubic root of 99511671 is about 463.4021093611.

The spelling of 99511671 in words is "ninety-nine million, five hundred eleven thousand, six hundred seventy-one".