99240166406 has 4 divisors (see below), whose sum is σ = 148860249612. Its totient is φ = 49620083202.

The previous prime is 99240166381. The next prime is 99240166409. The reversal of 99240166406 is 60466104299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60466104299 = 6737 ⋅8975227.

It is a super-2 number, since 2×99240166406² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99240166409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24810041600 + ... + 24810041603.

It is an arithmetic number, because the mean of its divisors is an integer number (37215062403).

Almost surely, 2^99240166406 is an apocalyptic number.

99240166406 is a deficient number, since it is larger than the sum of its proper divisors (49620083206).

99240166406 is a wasteful number, since it uses less digits than its factorization.

99240166406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49620083205.

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 99240166406 in words is "ninety-nine billion, two hundred forty million, one hundred sixty-six thousand, four hundred six".