99486171446 has 4 divisors (see below), whose sum is σ = 149229257172. Its totient is φ = 49743085722.

The previous prime is 99486171431. The next prime is 99486171479. The reversal of 99486171446 is 64417168499.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24871542860 + ... + 24871542863.

It is an arithmetic number, because the mean of its divisors is an integer number (37307314293).

Almost surely, 2^99486171446 is an apocalyptic number.

99486171446 is a deficient number, since it is larger than the sum of its proper divisors (49743085726).

99486171446 is a wasteful number, since it uses less digits than its factorization.

99486171446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49743085725.

The product of its digits is 10450944, while the sum is 59.

The spelling of 99486171446 in words is "ninety-nine billion, four hundred eighty-six million, one hundred seventy-one thousand, four hundred forty-six".