151823857866 has 32 divisors (see below), whose sum is σ = 304589322240. Its totient is φ = 50451142896.

The previous prime is 151823857793. The next prime is 151823857901. The reversal of 151823857866 is 668758328151.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5322855 + ... + 5351301.

It is an arithmetic number, because the mean of its divisors is an integer number (9518416320).

Almost surely, 2^151823857866 is an apocalyptic number.

151823857866 is an abundant number, since it is smaller than the sum of its proper divisors (152765464374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

151823857866 is a wasteful number, since it uses less digits than its factorization.

151823857866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31178.

The product of its digits is 19353600, while the sum is 60.

The spelling of 151823857866 in words is "one hundred fifty-one billion, eight hundred twenty-three million, eight hundred fifty-seven thousand, eight hundred sixty-six".