158687760 has 320 divisors, whose sum is σ = 635387904. Its totient is φ = 31795200.

The previous prime is 158687747. The next prime is 158687773. The reversal of 158687760 is 67786851.

It is an interprime number because it is at equal distance from previous prime (158687747) and next prime (158687773).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 572742 + ... + 573018.

Almost surely, 2^158687760 is an apocalyptic number.

158687760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158687760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317693952).

158687760 is an abundant number, since it is smaller than the sum of its proper divisors (476700144).

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

158687760 is a wasteful number, since it uses less digits than its factorization.

158687760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 158687760 is about 12597.1330071568. The cubic root of 158687760 is about 541.3952942308.

Subtracting from 158687760 its reverse (67786851), we obtain a palindrome (90900909).

The spelling of 158687760 in words is "one hundred fifty-eight million, six hundred eighty-seven thousand, seven hundred sixty".