158221454716 has 24 divisors (see below), whose sum is σ = 298285653680. Its totient is φ = 73001025792.

The previous prime is 158221454693. The next prime is 158221454767. The reversal of 158221454716 is 617454122851.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 346941 + ... + 660916.

Almost surely, 2^158221454716 is an apocalyptic number.

It is an amenable number.

158221454716 is a deficient number, since it is larger than the sum of its proper divisors (140064198964).

158221454716 is a wasteful number, since it uses less digits than its factorization.

158221454716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010893 (or 1010891 counting only the distinct ones).

The product of its digits is 537600, while the sum is 46.

The spelling of 158221454716 in words is "one hundred fifty-eight billion, two hundred twenty-one million, four hundred fifty-four thousand, seven hundred sixteen".