16185497950 has 24 divisors (see below), whose sum is σ = 30517430688. Its totient is φ = 6385510080.

The previous prime is 16185497941. The next prime is 16185497953. The reversal of 16185497950 is 5979458161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16185497891 and 16185497900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16185497953) 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 11 ways as a sum of consecutive naturals, for example, 2213542 + ... + 2220841.

It is an arithmetic number, because the mean of its divisors is an integer number (1271559612).

Almost surely, 2^16185497950 is an apocalyptic number.

16185497950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16185497950 is a deficient number, since it is larger than the sum of its proper divisors (14331932738).

16185497950 is a wasteful number, since it uses less digits than its factorization.

16185497950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4434468 (or 4434463 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 55.

The spelling of 16185497950 in words is "sixteen billion, one hundred eighty-five million, four hundred ninety-seven thousand, nine hundred fifty".