8154193550 has 12 divisors (see below), whose sum is σ = 15166800096. Its totient is φ = 3261677400.

The previous prime is 8154193543. The next prime is 8154193559. The reversal of 8154193550 is 553914518.

It is a junction number, because it is equal to n+sod(n) for n = 8154193498 and 8154193507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8154193559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81541886 + ... + 81541985.

It is an arithmetic number, because the mean of its divisors is an integer number (1263900008).

Almost surely, 2^8154193550 is an apocalyptic number.

8154193550 is a deficient number, since it is larger than the sum of its proper divisors (7012606546).

8154193550 is a wasteful number, since it uses less digits than its factorization.

8154193550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163083883 (or 163083878 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 41.

The square root of 8154193550 is about 90300.5733647356. The cubic root of 8154193550 is about 2012.7677809387.

The spelling of 8154193550 in words is "eight billion, one hundred fifty-four million, one hundred ninety-three thousand, five hundred fifty".