158861889016 has 64 divisors (see below), whose sum is σ = 307842353280. Its totient is φ = 76798632960.

The previous prime is 158861888987. The next prime is 158861889023. The reversal of 158861889016 is 610988168851.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92307036 + ... + 92308756.

It is an arithmetic number, because the mean of its divisors is an integer number (4810036770).

Almost surely, 2^158861889016 is an apocalyptic number.

It is an amenable number.

158861889016 is a deficient number, since it is larger than the sum of its proper divisors (148980464264).

158861889016 is a wasteful number, since it uses less digits than its factorization.

158861889016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544 (or 3540 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 61.

The spelling of 158861889016 in words is "one hundred fifty-eight billion, eight hundred sixty-one million, eight hundred eighty-nine thousand, sixteen".