158285074681 has 8 divisors (see below), whose sum is σ = 163514774528. Its totient is φ = 153063108000.

The previous prime is 158285074637. The next prime is 158285074693. The reversal of 158285074681 is 186470582851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158285074681 - 2¹¹ = 158285072633 is a prime.

It is a super-2 number, since 2×158285074681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158285074601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1891665 + ... + 1973566.

It is an arithmetic number, because the mean of its divisors is an integer number (20439346816).

Almost surely, 2^158285074681 is an apocalyptic number.

It is an amenable number.

158285074681 is a deficient number, since it is larger than the sum of its proper divisors (5229699847).

158285074681 is a wasteful number, since it uses less digits than its factorization.

158285074681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866583.

The product of its (nonzero) digits is 4300800, while the sum is 55.

The spelling of 158285074681 in words is "one hundred fifty-eight billion, two hundred eighty-five million, seventy-four thousand, six hundred eighty-one".