158761680 has 320 divisors, whose sum is σ = 627388416. Its totient is φ = 32524800.

The previous prime is 158761643. The next prime is 158761693. The reversal of 158761680 is 86167851.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2236045 + ... + 2236115.

Almost surely, 2^158761680 is an apocalyptic number.

158761680 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 158761680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313694208).

158761680 is an abundant number, since it is smaller than the sum of its proper divisors (468626736).

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

158761680 is a wasteful number, since it uses less digits than its factorization.

158761680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 158761680 is about 12600.0666664903. The cubic root of 158761680 is about 541.4793455101.

The spelling of 158761680 in words is "one hundred fifty-eight million, seven hundred sixty-one thousand, six hundred eighty".