158509680 has 80 divisors (see below), whose sum is σ = 561583104. Its totient is φ = 36230400.

The previous prime is 158509661. The next prime is 158509711. The reversal of 158509680 is 86905851.

It is a tau number, because it is divible by the number of its divisors (80).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45496 + ... + 48855.

Almost surely, 2^158509680 is an apocalyptic number.

158509680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158509680 is an abundant number, since it is smaller than the sum of its proper divisors (403073424).

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

158509680 is a wasteful number, since it uses less digits than its factorization.

158509680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94374 (or 94368 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 158509680 is about 12590.0627480565. The cubic root of 158509680 is about 541.1926998172.

The spelling of 158509680 in words is "one hundred fifty-eight million, five hundred nine thousand, six hundred eighty".